Solve the problem.A square box with an open top is to be constructed from a rectangular piece of cardboard with side length 17 inches by cutting out equal squares of side length x at each corner and then folding up the sides. Write a completely factored polynomial whose values give the surface area of the box.
A. 8x(8.5 + x)
B. 4(8.5 - x)2
C. 8x(8.5 - x)
D. 4(8.5 + x)2
Answer: B
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Solve the problem.A rectangular swimming pool has a parabolic drain plate at the bottom of the pool. The drain plate is shaped like the region between 
and the line 
from 
to 
The pool is 10 ft by 20 ft and 8 ft deep. If the pool is being filled at a rate of 
alt="" style="vertical-align: -4.0px;" /> what is the force on the drain plate after 5 hours of filling? Round your answer to two decimal places if necessary. A. 208 lb B. 611.52 lb C. 195.52 lb D. 97.76 lb
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A parabola and a circle; three points
What will be an ideal response?
Graph the system of inequalities.x + y ? 8x + y ? 5y ? 0x ? 0
A. 
B. 
C. 
D. 
Simplify.
7
A. 
B. 
C. 
D. 