8x what equals 2,120

What type of triangle has side lengths of 4 7 and 9

Mr butler is on a business trip. his company gave him 22$ per meal for the 4 meals he will eat. he has eaten 3 meals and spent a total of 70$ find x, the amount mr butler may spend

Write the fraction as a sum of unit fractions 3/10

What is - 4x+7 (-4x-14) = 190

What is the height of a triangle if your area is 78.5

Select the correct answer. height is the relationship Sam's height is 15 centimeters less than 2 times Martha's height. If Sam is 185 centimeters tall, and Martha between the heights can be represented by the equation 2x - 15 - 185.

Rational and Irrational Numbers what is it explain

Theorem: the sum of any two even integers equals 4k for some integer k. "proof: suppose m and n are any two even integers. by definition of even, m = 2k for some integer k and n = 2k for some integer k. by substitution, m + n = 2k + 2k = 4k.

Gregory's age is 5 years greater than 1/3 of Amanda's age. Gregory is 17 years old. If Amanda's age is denoted by x, which equation represents this situation and how old is Amanda?

What is nuclear waste? whats the answer frnds