Evaluate.(x + 4y)2 for x = 4, y = 4
A. 40
B. 64
C. 20
D. 400
Answer: D
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Find the area.
A. 12
m2
B. 25 m2
C. 11
m2
D. 22
m2
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Provide an appropriate response.A pediatric speech therapist started her own practice in 2004. The function y = 3.2 x + 10.53 models the number of patients she treated each year, where x is the number of years after 2004. The model was found using data for the years between 2004 and 2012. What does the model estimate as the number of patients in 2014? Round to the nearest whole number. Is this interpolation or extrapolation?
A. 44; interpolation B. 43; interpolation C. 45; extrapolation D. 43; extrapolation
Solve the variation problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 60 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 65 feet and 8-foot walls.
A. 52 quarts B. 520 quarts C. 10.4 quarts D. 5.2 quarts