Use an equation to solve the percent problem.What number is 89% of 30?

A. 26.7
B. 26,700
C. 267
D. 2670


Answer: A

Mathematics

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Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = -7x9 + x7  - x2 + 3

A. 3 or 1 positive zeros, 3 or 1 negative zeros B. 3 or 1 positive zeros, 2 or 0 negative zeros C. 2 or 0 positive zeros, 2 or 0 negative zeros D. 2 or 0 positive zeros, 3 or 1 negative zeros

Mathematics

Evaluate the function for the given value.Given f(x) = 16x + 19, find f(-17).

A. 16 B. -253 C. -291 D. 291

Mathematics

Provide an appropriate response. If each inch on a U.S. customary rule is divided into 32 parts, what part of an inch would be indicated by the 5th hash mark in a inch? (Illustrate with a drawing.)

A.  inch
B.  inch
C.  inch
D.  inch

Mathematics

Determine the real solutions to the system of nonlinear equations.y = x - 3y2 = -12x

A. (-3, -6), (-3, 6), (3, 0) B. (-3, -6), (3, 0) C. (-3, -6) D. (-3, -6), (-3, 6)

Mathematics