Simplify.-5x ? 9x

A. -45x
B. -45x2
C. 4x
D. 4x2


Answer: B

Mathematics

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At the given point, find the slope of the curve or the line that is tangent to the curve, as requested.x5y5 = 32, tangent at (2, 1)

A. y = 16x + 1
B. y = 16x - 1
C. y = x
D. y = - x + 2

Mathematics

Solve the system by the substitution method.

A. {(-8, -5)} B. {(8, -5)} C. {(-8, 5)} D. {(8, 5)}

Mathematics

Write the fraction as an equivalent percent.

A. 5.7% B. 57% C. 0.57% D. 570%

Mathematics

Graph the linear equation. Give the x- and y-intercepts.y + 3x = 0

A. x-intercept: (0, 0); y-intercept: (0, 0)

B. x-intercept: (0, 0); y-intercept: (0, 0)

C. x-intercept: (0, 0); y-intercept: (0, 0)

D. x-intercept: (0, 0); y-intercept: (0, 0)

Mathematics