Which expression is NOT equivalent to the other three

A - 9-7n+16n

B 9{n-9}

C n-9+8n

D 9n-9

A student who was training for a cross country race jogged for 2.0 hours and covered a distance of 14.0 kilometers. What was the average speed of the student? (Average Speed =

What is the sum of a number and its additive inverse? A. 0 B. - 1 C. 1 D. undefined

Melanie simplified the expression StartStartFraction StartFraction (cotangent (x)) Over (1 Over secant (x)) EndFraction EndEndFractionas shown below.

Sarah worked 8 more hours than Paida.

Write repeating decimal 2.72727272 ... as a fraction. Reduce the fraction completely.

Which of the following sets of numbers does NOT contain whole numbers? A. Integers B. Rational numbers C. Irrational numbers D. Real numbers

Combine like terms. (7x-1) (7x-1)

Evaluate 1/2 t + 3/8 when t=1/4

A rectangular prism is 1 ft long, 6 in. wide, and 2 in. thick. What is the volume of the rectangular prism? A. 12 in B. 20 in C. 144 in? D. 216 in?

N (n + 1) / n Find the first five terms of the sequence an A 2.32) B 5 2.3,2, C3 2 5 1 2' 3 24 20J D (2, 3, 4, 5, 6)