Use properties of rational exponents to simplify the expression. Assume that any variables represent positive numbers.(y-7/8) -1/6

A. y7/48
B.
C. y25/24
D.

Answer: A

Mathematics

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The solution  for t of the equation is: ?

A.
B.
C.
D.

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Mathematics

Solve the polynomial equation in the complex numbers. x4 + 5x3 - 2x2 - 18x - 12  = 0

A. {-1, 3, -3 + , -3 - }
B. {-1, -2, -3 + , -3 - }
C. {1, -2, -3 + , -3 - }
D. {-1, 2, -3 + , -3 - }

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Mathematics

Factor completely. If the polynomial cannot be factored, say it is prime.5x3 + 5x2 - 30x

A. 5x(x + 2)(x - 3) B. (x - 2)(5x2 + 15) C. (5x2 + 10x)(x - 3) D. 5x(x - 2)(x + 3)

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Mathematics

Write a formula for the function described.Function I computes the number of inches in x centimeters. (Hint: there are 2.54 centimeters in one inch.)

A. I(x) = 
B. I(x) = 
C. I(x) = 2.54x
D. I(x) = 2.54 - x

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Mathematics