Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.3x-3

A.
B. -9x
C.
D.


Answer: C

Mathematics

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Write the Egyptian numeral as a Hindu-Arabic numeral.

A. 3670 B. 3067 C. 367 D. 3607

Mathematics

Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation(s).0.438?0.171?0.442?0.135?0.467?0.477?0.624

A. 0.135 B. 0.1762 C. 1.0835 D. 1.2697

Mathematics

Solve the problem.What is the coefficient of x7y6 in the expansion of (x + y)13?

A. 8,648,640 B. 1,235,520 C. 7 D. 1716

Mathematics

Decide whether or not the functions are inverses of each other.f(x) = (x - 2)2, x ? 2; g(x) =  + 2

A. No B. Yes

Mathematics