Perform the indicated operation(s). Simplify if possible.
+ 
A. 
B. 
C. 
D. 21a + 8z2
Answer: B
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Solve the problem.Find the point on the line of intersection of the planes 
and 
that is closest to the origin.
A. 
B. 
C. 
D. 
Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 13 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 13 ft B. 65 ft C. 2.34 ft D. 234 ft
Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.f(x) = 3x - 2
A. -3; 3 B. 3; 3 C. -3; -3 D. 2; 2
Multiply.(-8y - 7)(4y2 - y + 2)
A. 12y2 - 9y - 14 B. -32y3 - 9y - 14 C. -32y3 - 20y2 - 9y - 14 D. -32y3 - 36y2 - 9y - 14