Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.3x3/5(x11/5 - 3x)
A. 
- 
B. 
- 9x8/5
C. 3x14/5 - 
D. 3x14/5 - 9x8/5
Answer: D
Mathematics
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Solve.- 
s = - 
A. 2
B. - 2
C. - 
D. 
Mathematics
Solve the equation for x.2(2x - 2) = 3(x + 2)
A. 10 B. 4 C. -2 D. 2
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Use sum-to-product identities to rewrite the expression as a product.cos 61° + cos 35°
A. 2 sin 48° cos 13° B. -2 sin 48° sin 13° C. 2 cos 48° cos 13° D. 2 cos 48° sin 13°
Mathematics
Find the center and radius of the sphere.3x2 + 3y2 + 3z2 - 2x + 2y = 9
A. C
, a = 
B. C
, a = 
C. C
, a = 
D. C
, a = 
Mathematics