Questions in Grade College

Questions in Grade College

[Done] Use factoring to solve the quadratic equation. Check by substitution or by using a graphing utility and identifying $x$-intercepts. [tex]x^2-x-72=0[/tex] Rewrite the equation in factored form. [tex]\square[/tex] $=0$ (Factor completely.) The solution set is [tex]\square[/tex]. (Use a comma to separate answers as needed. Type each solution only once.)

[Done] Mary is promoted to salary level 3, receives a 2% cost-of-living increase and a 5% merit bonus. What is Mary's new salary? | Level | 1 | 2 | 3 | |-------|---------|---------|---------| | Salary | $46,000 | $50,000 | $54,000 |

[Done] What is the standard distance for public space in North American culture? A. 3 feet B. 6 inches C. 6 feet

[Done] What is the range of [tex]f(x)=3^x+9[/tex]? A. [tex]{y \mid y<9}[/tex] B. [tex]{y \mid y>9}[/tex] C. [tex]{y \mid y>3}[/tex] D. [tex]{y \mid y<3}[/tex]

[Done] Which of the following numbers will produce an irrational number when multiplied by 0.4? A. $\sqrt{13}$ B. $3 \pi$ C. $0.444 \ldots$ D. $\frac{2}{7}$

[Done] The equation $Mg ( s )+2 HCl ( aq )$--> $MgCl _2( aq ) H _2(g)$ is an example of which type of reaction? A. decomposition reaction B. triple replacement reaction C. single replacement reaction D. double replacement reaction

[Done] Bed rails may be used to prevent people leaving their beds. True False

[Done] What is the $x$-coordinate of the point that divides the directed line segment from J to K into a ratio of $2: 5$? $x=\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1$

[Done] A serious condition in which blood flow to the heart is reduced to such an extent that body tissues do not receive enough blood is called:

[Done] A patient care technician is performing a venipuncture to collect a blood specimen from a patient. Which of the following actions should the technician take to reduce the risk of exposure to bloodborne pathogens? A. Recap the needle after use. B. Place the needle in a red biohazard bag after the venipuncture. C. Dispose of the needle in a sharps container. D. Verify any history of a bloodborne disease before performing a venipuncture.