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Questions in Grade College

[Free] What is the theoretical probability of the event that a family with two children has two boys? $\frac{1}{2}$ $\frac{1}{4}$ $\frac{1}{6}$ $\frac{1}{8}$ Please select the best answer from the choices provided.

[Free] Factor. [tex]49 v^2-4[/tex]

[Free] How many times should you check to see that you have taken the right dosage from the medication storage area? A. One B. Two C. Three D. Four

[Free] Find the present value of an annuity, where the payments are $[tex]$1590[/tex] per month over 4 years, at an annual interest rate of [tex]$5 \%$[/tex], compounded monthly.

[Free] What are the input and output values for determining the sine of $60^{\circ}$? A. input: $\frac{2}{\sqrt{3}}$; output: $60^{\circ}$ B. input: $60^{\circ}$; output: $\frac{\sqrt{3}}{2}$ C. input: $60^{\circ}$; output: $\frac{2}{\sqrt{3}}$ D. input: $\frac{\sqrt{3}}{2}$; output: $60^{\circ}$

[Free] $f(x)=x^2-9$ and $g(x)=x+3$ Which of the following is true? A. In an inverse relation, coordinates of the ordered pairs are multiplied by 2. B. The horizontal line test is used to determine if a function's inverse will be a function. C. For a pair of functions to be inverses, their compositions must be equal to 1. D. An inverse of a function is always a function.

[Free] Richard is traveling at an average speed of [tex]$80 km / hour$[/tex] by car from Toto Village to Madang Town. (a) What is the distance between Toto Village and Madang Town if it took Richard [tex]$2 \frac{1}{2}$[/tex] hours? (b) Richard had an empty tank on arrival in town. If his car holds 40 L, what must have been the fuel consumption rate of his car? (c) If it costs K 3.45 per liter, what is the fuel cost for the whole trip? (d) On the return trip, it took Richard 4 hours to arrive home. What must have been his speed on the return trip?

[Free] Which effects of sun exposure are immediate? Check all that apply. A. rashes B. freckles C. sunburn D. skin aging E. skin cancer

[Free] Which nation was a part of the Western Bloc during the Cold War? A. Bulgaria B. Hungary C. Belgium D. Poland

[Free] What is the primary characteristic of consciousness? A. Awareness of oneself, thoughts, and surroundings B. Logical thinking C. Reflex actions D. Emotional regulation