Use sum-to-product identities to rewrite the expression as a product.sin 
- sin 
A. 2 sin 
cos 
B. -2 sin 
sin 
C. -2 cos 
sin 
D. 2 cos 
cos 
Answer: C
Mathematics
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Find the GCF of 81 and 125. ?
A. 5 B. 1 C. 6 D. 2
Mathematics
Divide to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.5
÷ 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The floor of a rectangular room is to be tiled with 
foot square tiles along a 9
foot wall. How many tiles will be needed along the wall?
A. 29
tiles
B. 3
tiles
C. 34 tiles
D. 27
tiles
Mathematics
Simplify by factoring out the given factor.(q + 6)-3/7 + (q + 6)-1/7 + (q + 6) 1/7; (q + 6)-3/7
A. (q + 6)-3/7 [1 + (q + 6) -2/7 + (q + 6) -4/7] B. (q + 6)-3/7 [1 + (q + 6)1/7 + (q + 6)3/7] C. (q + 6)-3/7 [1 + (q + 6)4/7 + (q + 6)6/7] D. (q + 6)-3/7 [1 + (q + 6) 2/7 + (q + 6)4/7]
Mathematics