3x+8=5x-20

what is x?

The pyramid shown has a square base that is 12 centimeters on each side. The slant height is 18 centimeters. What is the surface area of the pyramid?

What is 5+5+2+100000000

1/2x + x + 1/5y + y = 32

Factor 42x+28y using the GCF the factored expression is

1. 14 minus the quotient of 25 and p 2. a number w tripled plus t quadrupled 3. the product of 13 and m plus the product of 2.7and n 4. the product of 2 times a and 5 times b

If s (x) = 2 - x2 and t (x) = 3x, which value is equivalent to (s. t) (-7)

Kevin and his sister, katy, are trying to solve the system of equations. Keven thinks the new equation should be 3 (6x-1) + 2y=43, while katy thinks it should be 3x+2 (6x-1) = 43. Who is correct and why

If 4x=32 find the value of 35-5x

On Saturday, a local hamburger shop sold a combined total of 520 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many hamburgers were sold on Saturday

Find the area of the circle with a circumstance of 6.28 units