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Questions in Grade High-school

[Done] Find the least number that must be added to the following to get a perfect square in each case: a. 3451 b. 7896 c. 54,723 d. 18,355 e. 23,455

[Done] What will be the volume of ammonia gas when [tex]$100 cm^3$[/tex] of nitrogen reacts with [tex]$150 cm^3$[/tex] of hydrogen? Which is the limiting reactant? (All gases are measured at the same temperature and pressure.)

[Done] Below, fill in the table of values and use the table values to graph [tex]y=x-4[/tex]. | x | y=x-4 | |---|---| | -3 | | -2 | | -1 | | 0 | | 1 | | 2 | | 3 |

[Done] The Universal Declaration of Human Rights includes which basic rights? Check all that apply. freedom of religion right to a fair trial right to live in a democracy right to punish violators freedom from slavery right to government participation

[Done] What are the center and radius of the circle defined by the equation $x^2+y^2-6 x+10 y+25=0$? A. Center $(-3,5)$; radius 3 B. Center $(-3,5)$; radius 9 C. Center $(3,-5)$; radius 9 D. Center $(3,-5)$; radius 3

[Done] Select the correct answer. What plot archetype is employed in Carl Sandburg's "How the Animals Lost Their Tails and Got Them Back Traveling from Philadelphia to Medicine Har"? A. comedy B. tragedy C. rags to riches D. quest

[Done] $\log _{\frac{1}{5}} 5=$

[Done] Which equation represents a line which is parallel to the line [tex]y=-\frac{2}{3} x+1[/tex]? A. [tex]2 y-3 x=-4[/tex] B. [tex]2 x+3 y=-18[/tex] C. [tex]3 x+2 y=16[/tex] D. [tex]2 x-3 y=6[/tex]

[Done] When circle P is plotted on a coordinate plane, the equation of the diameter that passes through point Q on the circle is $y=4 x+2$. Which statement describes the equation of a line that is tangent to circle $P$ at point $Q$? A. The slope of the tangent line is $\frac{1}{4}$. B. The slope of the tangent line is $-\frac{1}{4}$. C. The slope of the tangent line is 4 D. The slope of the tangent line is $- 4$

[Done] B. Solve the following worded problems. 1. A call center tracks the number of calls handled per hour. The average is 60 calls with a standard deviation of 5 calls. If a representative has a z-score of 1.4, what was their actual number of calls handled during that hour? Given (3pts) Requirements (1pt) Equation (1pt) Solution (7pts) Answer/Conclusion (3pts) 2. A university records the scores of students on a final Statistics exam. The scores are normally distributed with a mean of 72 and a standard deviation of 10. Find the standard score (z-score) for a student who scored 85 on the exam. Given (3pts) Requirements (1pt) Equation (1pt) Solution (7pts) Answer/Conclusion (3pts)