Joaquin buys 3 packs light bulbs. Each pack contains 12 light bulbs. After changing the bulbs in his house, he has 15 bulbs left. How many light bulbs did he use?

What is the value of x in the equation - x = 3 - 4x + 6? A.) - 9 B.) - 3 C.) 3 D.) 9 2.) What is the value of x in the equation - 6 + x = - 2? A.) 8 B.) 4 C.) - 4 D.) - 8

the expressions 4b-6 and 2b+4 represent the lengths of the diagonals of parallelogram wxyz for what value of b is wxyz a rectangle

a construction worker has a rope that is 10 meters long. she needs to cut it into pieces that are each 2/9 meter long. how many pieces can she cut without having any rope left over?

A contractor has installed a silt fence around an area that is semi-circular and level to prevent soil from the construction site entering nearby streams. The diameter of the semi-circle is 1200 feet.

18+3 (9f-13) simplify expression

If you wanted to make the graph of y = 7x - 14 steeper, as well as shift the y intercept of this line up, which equation could you use? A. y = 5x - 18 B. y = 9x - 10 C. y = 5x - 10 D. y = 9x - 18

5x-7=4x-1 how to solve

5x=29x what is the value of x

Simplify and evaluate. 5*10-2

Add 1/7+7/10 as a fraction in simplest form