What's the substitution for 3x+y=-8 and - 2x-y=6

What is the answer to 0.6 divided by 12.9

The senior class of a high school needs to elect a new class president. Ten people want to run for office, but only four are allowed to so the class needs to determine which four people can run.

Simplify the expression 4x+6x-11x+2+x2-19

Which operation should be performed first according to the order of operations? 44 • 2 - [ (5 + 20 • 3) - 12] + 16 : 2

Find the sum and classify the polynomial based on degree and number of terms. 3n2 (502 - 2n + 1) + (4n2 - 11n4 - 9) O 3rd degree polynomial with 3 terms O 4th degree polynomial with 4 terms O 3rd degree polynomial with 4 terms O 4th degree

Dave bought a new game for $28 the tax rate was 7% how much was the tax and total price?

How does a temperature of 4°F compare to - 7°F?

Simplify 4 + 2 (3x - 7) + 5x. -3x + 4 11x - 3 11x - 10 23x - 7

At a farm the ratio of cows to horses was 10:3. If there were 20 cows at a farm how many horses were there

Amelia stars reading at 3: 25 and reads for 15 minute. What type of angle is formed by the hour and minute hands of the clock wen Amelia fineshes reading