Multiply and express the product as a mixed number or an integer.4 ? 

A. -16
B. -16
C. -16
D. -15


Answer: C

Mathematics

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Find the root. Assume that all variables represent positive numbers.

A. 6m3n5 B. 18m3n5 C. 18m4n8 D. 6m4n8

Mathematics

Solve the equation ? ?

A.
B.
C.
D.
E.

Mathematics

Find the foci of the given hyperbola.6x2 - y2  - 48x + 10y - 25 = 0

A. (5 + 4, 4), (5 - 4, 4)
B. (4, 0), (-4, 0)
C. (4 + 4, 5), (4 - 4, 5)
D. (4, 5), (- 4, 5)

Mathematics

Evaluate the algebraic expression under the given conditions.7x + 9 for x = 9

A. 16 B. 126 C. 54 D. 72

Mathematics