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Questions in Grade High-school

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Assignment: Write 5 ways to prevent problems in growth development.

[Done] Write the numbers in standard form. Write the face value and value of the digit in the thousands place. A. 468,991 B. 979,543 C. 64,835 D. 90,374 E. 985,105 Write the greatest and the smallest 6-digit numbers using the digits 2, 4, 6, 8, 5, and 3. Do not repeat any digit.

[Done] Students from School A and School B were asked whether they watch TV or use the Internet after finishing their homework. The Venn diagram and the two-way table show the results from the two surveys. Which statement is true? A. More students do both activities at A than at B. B. More students watch TV at B than at A. C. More students do neither activity at $B$ than at $A$. D. More students were surveyed at A than at B.

[Done] The polynomial function [tex]$F(x)=2 x^2+8 x-7$[/tex] has a critical point at which of the following [tex]$x$[/tex]-values? A. [tex]$x=0$[/tex] B. [tex]$x=2$[/tex] C. [tex]$x=-7$[/tex] D. [tex]$x=-2$[/tex]

[Done] Select the correct answer. This chemical equation is not balanced: [tex]AgBr(s)-Ag(s)+Br_2(g)[/tex] Why isn't it possible for the reaction to occur as indicated by the unbalanced equation? A. There are more substances on the right side of the equation than on the left side. B. There is a gas on the right side of the equation but not on the left side. C. The bromine atoms must go through a liquid state before becoming a gas. D. There is more mass represented on the right side of the equation than on the left side. E. The bromine atoms on the right side of the equation are not bonded to another element.

[Done] Graham and Hunter are circus performers. A cable lifts Graham into the air at a constant speed of [tex]$1.5 ft / s$[/tex]. When Graham's arms are 18 ft above the ground, Hunter, who is standing directly underneath Graham, throws Graham a ball as the cable continues to lift him higher. Hunter throws the ball from a position 5 ft above the ground with an initial velocity of [tex]$24 ft / s$[/tex]. Which system of equations can be used to model this situation? [tex]\left\{\begin{array}{l}h=18+1.5 t \\ h=5+24 t-16 t^2\end{array}\right.[/tex] [tex]\left\{\begin{array}{l}h=18+1.5 t \\ h=5+24 t+16 t^2\end{array}\right.[/tex] [tex]\left\{\begin{array}{l}h=18+1.5 t \\ h=5+24 t\end{array}\right.[/tex] [tex]\left\{\begin{array}{l}h=18+1.5 t-16 t^2 \\ h=5+24 t-16 t^2\end{array}\right.[/tex]

[Done] Use the Punnett square below to answer the question. YY or Yy = yellow flowers yy = white flowers GG or Gg = green seeds gg = black seeds \begin{tabular}{|l|l|l|l|l|} \hline & YG & Yg & yg & yg \\ \hline YG & YYGG & YYGg & YyGG & YyGg \\ \hline Yg & YYGg & YYgg & YyGg & Yygg \\ \hline yG & YyGG & YyGg & yyGG & yyGg \\ \hline ys & YyGg & Yygg & yyGG & yygg \\ \hline \end{tabular} What percent of offspring have white flowers and green seeds? A. $25 \%$ B. $6.3 \%$ C. $18.7 \%

[Done] The nuclear accident at Chernobyl was than the accident at Three Mile Island. A. more devastating B. less devastating C. equally devastating D. less publicized Please select the best answer from the choices provided.

[Done] Planes A and B are shown. m 72 B IA If a new line, p, is drawn parallel to line /, which statement is true? A. Line p must be drawn in plane B. B. Line p must be perpendicular to line m. C. Line p must be drawn so that it can lie in the same plane as line 1. D. Line p must be drawn in the same plane as line n.