Simplify the given expression. Express answer with positive exponents.
A. x43/15
B. x15/7
C. x7/15
D. x25/18
Answer: C
Mathematics
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A. -3xy3 B. -3x2y3 C. -75x2y3 D. -75x3y4
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Solve the exponential equation and express approximate solutions to the nearest hundredth.ex - 4 = 38
A. x = 7.11 B. x = 4.00 C. x = 8.17 D. x = 7.64 E. x = 7.52
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Find the area of the specified region.Shared by the circles r = 2 and r = 4 cos ?
A. 
(2? + 3
)
B. 
?
C. 2?
D. 
(4? - 3
)
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524.63219 to the nearest ten
A. 510 B. 500 C. 520 D. 524.6
Mathematics