Solve this system of by rewriting the statements into a set of 2 equations. Then solve the equations using the addition method. The sum of two numbers is 21. The difference of the two numbers is 19. What are the two numbers?

Lisa and Tim make necklaces. Lisa uses 5 red beads for every 3 yellow beads. Tim uses 9 red beads for every 6 yellow beads. is the ratio of red beads to yellow beads in Lisa's necklace equivalent to the ratio in Tim's necklace?

Identify each part of the algebraic expression as the Coefficient, Constant, or Variable 4x-12

David need 36 gallons of punch for a party and has two different cooler to carry I in the bigger cooler is 5 times as large as the smaller cooler how many gallons can each hold?

What is the factored form of x2 - 9x + 20?

If the parent function is y=3^x which is the function of the graph

Darcy deposited $390 into a savings account. As long as the account balance remains at or above $150, she does not have to pay a service fee for the account.

Which of the following has zero acceleration? A. Person running 100m straight across a field at a constant speed B. A satellite orbiting at a constant speed C. A person running once around a track at a constant speed D.

A city pool sells full-day and half-day passes during the summer. The goal is to make $1000 each day from pool pass sales. The graph shows the number of full-day and half-day passes they need to sell to make $1000.

Express - 0.4 as a fraction in simple form

The triangles are similar. What is the value of x? Enter your answer in the box. x = two right triangles. the larger triangle has a long leg of 96 units, short leg of 28 units, and the hypotenuse is labeled 6 x plus 28.