Simplify the expression. Assume that all variables are positive.
A.
B. xy7
C.
D.
Answer: C
Mathematics
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Find the area of the shaded region.
A. 5 B. 12.5 C. 10 D. 7.5
Mathematics
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = S - r
B. h = 2?(S - r)
C. h = - 1
D. h =
Mathematics
If the given sequence is a geometric sequence, find the common ratio.4, 8, 16, 32, 64
A.
B. not a geometric sequence
C. 8
D. 2
Mathematics
Solve and check. =
+
A. x = -
B. x = 3
C. x =
D. x = -3
Mathematics