Solve by the addition method (elimination).

5x+2y=-17

3x-2y=-7

Expand and simplify: 3 (2a + 5) + 5 (a-2)

Solve for "x" - 10 = - x^2 + 2x - 6

What is the value of 6 in 3.6?

How to complete a square

A culture started with 2000 bacteria after 6 hours it grew to 2400 bacteria how many bacteria will grow after 16 hours

What is the vertex of the following y = 2 (x - 3) 2 + 4

identify the terms, like terms, coefficients, constants 7-5x+1

Tommy is trying to find the length of one of the sides of the sail on the sailboat. One of the legs are 10 feet long and the hypotenuse is 13 feet long. What is the length of the other leg?

An insurance company makes money according to earnings = p (e1) w1 + p (e2) w2, where p (e1) = 0.002641, w1 = - $25,000, p (e2) = 0.997359, and w2 = $193.08. How much does the insurance company earn during the year from this person?

Write an expression that represents the products of q and 5 divided by 2