Express the sum or difference as a product.sin 
+ sin 
A. 2 cos 7x sin x
B. 2 sin 7x
C. 2 sin 
sin x
D. 2 sin 
cos x
Answer: D
Mathematics
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Fill in the missing form of the expression.
?
Radical Form Rational Exponent Form
------ 
?
A. 
?
B. 83
C.
?
D.
?
E.
Mathematics
First determine which number (x or y) is more accurate, then which is more precise.x = 9,000, y = 0.0090
A. y, x B. y, y C. x, y D. x, x
Mathematics
Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 54
B. 
C. 45
D. 
Mathematics
Graph the inequality.-7x - 5y > 0
A. 
B. 
C. 
D. 
Mathematics