Question 1 of 5: Solve for r:
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
$$r=\frac{P + t}{I}$$
B
$$r=IPt$$
C
$$r=\frac{I}{Pt}$$
D
$$r=\frac{1 + P}{It}$$
E
$$r=\frac{1 - P}{It}$$
Question 2 of 5: Solve for g:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$g=\frac{t^2}{2s}$$
B
$$g=\frac{2s}{t^2}$$
C
$$g=\frac{1 + t^2}{2s}$$
D
$$g=t^2 - 2s$$
E
$$g=t^2 + \frac{1}{2}s$$
Question 3 of 5: Solve for x:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$x=b - y - z - 1$$
B
$$x=by + bz + 1$$
C
$$x=\frac{by - b}{1 - zy + z}$$
D
$$x=\frac{1 -zy + z}{by - b}$$
E
$$x=\frac{1 + zy - z}{by + b}$$
Question 4 of 5: Solve for y:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$y=\frac{3 - w}{x}$$
B
$$y=x + w - 1$$
C
$$y=\frac{-x}{w - 3}$$
D
$$y=\frac{x + w}{3}$$
E
$$y=\frac{x}{2 - w}$$
Question 5 of 5: Solve for x:
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$x=\frac{1}{z - b}$$
B
$$x=\frac{z^2 - b^2}{z - 1}$$
C
$$x=\frac{z + 2}{z^2 - 1}$$
D
$$x=\frac{z^2}{b^2}$$
E
$$x=\frac{z - 1}{b + 1}$$
