Rationalize the denominator. Assume all variables represent positive real numbers.

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.c2 + d2 + f2 = g2, for c

A. c = g - d - f
B. c = 
C. c = g2 - d2 - f2
D. c = -g + d + f

Mathematics

Perform the indicated operation.(4x6 + 8x5 - 3x4 + 5) + (7x6 - 3x5 - 4x4 - 9)

A. 9x30 - 4 B. 11x6 + 5x5 - 7x4 - 4 C. 11x12 + 5x10 - 7x8 - 4 D. 2x6 + 2x5 - 5x4 + 15

Mathematics

Find the real solutions of the equation by factoring.5x - 3 = 80x3 - 48x2

A.
B.
C.
D.

Mathematics

?Find the magnitude of vector v with initial point (7, 5) and terminal point (-3, -5). ?

A. ?
B. ?14
C. ?
D. ?
E. ?

Mathematics