Write an algebraic expression, using x as the variable.The sum of a number and 42
A. 42 + x
B. 42
C. 42x
D. 42 - x
Answer: A
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Write an inequality associated with the given graph.
A. x ? -3 B. x < -3 C. x > -3 D. x ? -3
Solve.Given the expression 
for the volume of a box, find the length, width, and height of the box. Assume the length, width, and height are polynomial factors of the volume.
A. Length: 9x + 1, width: x - 288, height: x B. Length: 9x + 8, width: x - 4, height: x C. Length: x + 8, width: x - 4, height: 9x D. Length: x - 8, width: x + 4, height: 9x
Use the product and quotient rules, as necessary, to simplify the radical expression.
A. 
B. 6
C. 3
D. 6
Solve the problem.A rock falls from a tower that is 320 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 17.9 sec B. 6400 sec C. 17.4 sec D. 4.5 sec