the variable z is directly proportional to x. when x is 15, z has the value of 120. what is the value of z when x=25

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