Add the numbers using the number line.-9 + (-2) 
A. -7
B. 11
C. 7
D. -11
Answer: D
Mathematics
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Perform the division.
A. x2 + 3x + 9 B. x2 - 3x + 9 C. x2 + 9 D. x2 - 3x - 9
Mathematics
Perform the operation and reduce to lowest terms.3 × 2
× 
A. 1
B. 33
C. 2
D. 2
Mathematics
Solve the problem. Round your answer to the nearest cent.Brad invests $1300 in an account paying 10% APR compounded quarterly. How much is in the account after 12 months?
A. $1332.50 B. $1434.96 C. $1430.00 D. $1903.33
Mathematics
Establish the identity.cos
= 
cos x - 
sin x
What will be an ideal response?
Mathematics