Write the algebraic expression described. Simplify if possible.A 46-centimeter piece of rope is cut into two pieces. If one piece is z centimeters long, express the other length as an algebraic expression in z.
A. (46 - z) cm
B. (46 - 2z) cm
C. (z - 46) cm
D. (z + 46) cm
Answer: A
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A. 84 in. B. 28 in. C. 252 in. D. 21 in.
Find the equation of the parabola determined by the given information.Vertex at the origin, focus at (-9, 0)
A. x = - 
y2
B. x2 = -36y
C. y2 = -36x
D. y = - 
x2
Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9 B. x + 9 C. x + 54 D. 6(x + 9)
Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give 
when 
and 
What is the volume on this device when the temperature is 
and the pressure is 
style="vertical-align: -4.0px;" /> A. V = 117 in3 B. V = 157 in3 C. V = 9 in3 D. V = 77 in3