Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1 

A.
B. - 
C. -14
D. -49

Answer: A

Mathematics

You might also like to view...

Solve the problem.Find the tangent to y = cot x at x = .

A. y = 2x + 1
B. y = -2x + 
C. y = -2x +  + 1
D. y = 2x -  + 1

View
Mathematics

Subtract the polynomials. Express your answer in standard form.9z - (10 - 4z)

A. 5z + 10 B. 13z + 10 C. 5z - 10 D. 13z - 10

View
Mathematics

Decide whether or not the Law of Sines can be used to solve the triangle. Do not solve the triangle. 

A. Yes B. No

View
Mathematics

Perform the indicated operations in the proper order.-10 - 42 - (-2)

A. -28 B. -24 C. 28 D. 8

View
Mathematics