Factor out the greatest common factor. Simplify the factors, if possible.5(x + 1)6 - 10(x + 1)5 + 15(x + 1)7
A. 5(x + 1)5(3x2 + 7x + 2)
B. (x + 1)5(3x2 + 7x + 2)
C. 5(x + 1)6(3x + 2)
D. 5(x + 1)5(x2 + 3x)
Answer: A
Mathematics
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Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 5 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Mathematics
Perform the operation and reduce to lowest terms.3 × 3
× 
A. 5
B. 36
C. 4
D. 5
Mathematics
Subtract and, if possible, simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the average value of 
over the given region.
z2 over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 
D. 
Mathematics