Subtract. Combine like terms, and write the answer in descending order.(-9b2 + 1) - (-b3 - 7b2 + 3)
A. b3 - 2b2 - 2
B. b3 - 16b2 + 4
C. -8b3 - 6b2 - 3
D. -8b3 - 7b2 - 2
Answer: A
Mathematics
You might also like to view...
Determine whether the given function satisfies a Laplace equation.f(x, y) = 
A. Yes B. No
Mathematics
Write a fraction to represent the shaded portion of the figure.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Two tracking stations are on the equator 120 miles apart. A weather balloon is located on a bearing of 
from the western station and on a bearing of N19°W from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
A. 138 miles B. 99 miles C. 129 miles D. 90 miles
Mathematics
Multiply.(-3)(-4)(6)
A. -72 B. 172 C. 72 D. 62
Mathematics