Simplify the expression. Assume that all variables represent non-negative real numbers.9x - 12y + 6x

A. 3x2
B. 3xy
C. (15- 12y)
D. y(15x2- 12)


Answer: C

Mathematics

You might also like to view...

Solve the problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 17 minutes requires 8.5 gallons of water. Find the amount of water used in a shower lasting 4 minutes.

A. 36.125 gallons B. 8 gallons C. 2.125 gallons D. 2 gallons

Mathematics

Determine whether the given function is positive or negative for values of t in the specified quadrant.  Quadrant III, cos t

A. Negative B. Positive

Mathematics

Solve the equation. Use natural logarithms. When appropriate, give solutions to three decimal places unless otherwise indicated.ln e9x = ?(Give the exact solution.)

A.
B. {9?}
C.
D. {? - 9}

Mathematics

Compute, rounding to the nearest tenth.612 ÷ 24.0

A. 26.5 B. 25.5 C. 2.6 D. 255.0

Mathematics