What's the answer for is substitution

Y=-2

4x-3y=18

Rebeckah answered 42 of the 60 questions correctly on a test. Which method should she use to find the percent of questions she answered correctly? A.

Which set represents the range of the function shown? { (8, 2), (6, 5), (4, 7), (11, - 2) } {-2, 2, 5, 7} {4, 6, 8, 11} { (2, 8), (5, 6), (7, 4), (-2, 11) } {-2, 2, 4, 5, 6, 7, 8, 11}

Is - 9 3/8 a rational or irrational number

Lesly has a mug that is 11/12 full of hot chocolate. Lesly drinks 1/6 of the mug. What fraction of the mug still has hot chocolate?

Subtract the quotient of 18 and 3 from the sum of 22 and 9

What is Y squared plus 5Y plus 2Y squared minus 4Y

What does a computer do when it's hungry

Brandie is trying to decide between two cell phones. One is free with a 2-year contract, but she will have to pay the sales tax of 8% on the original price$399 and the monthly charge is $10 more than she currently pays.

If the length of side a is 16 centimeters, the length of side b is 10 centimeters, and m = 42°, what is the measure of? Round your answer to two decimal places.

Solve for y. 18y - 6 = - 30