Can 4x-2y=12x+2y=8 be solved by adding one of the original equations to the other

Whats 9 + 10 I really ned to kno fo my Homewook

What's the answer to 27/3 - 40/8?

Margo spends. 25 of her paycheck on a new dress, 1/8 of her paycheck on shoes, and $24 on a birthday present. If she spent $60 altogether, how much was margos paycheck?

How do you write forty and twenty-eight hundredths in standard form

There are 4 juice cartons and 9 milk cartons in the school refrigerator. What is the ratio of juice cartons to total cartons?

A fair die will be rolled 9 times. What is the probability that 4, 5, or 6 is rolled exactly 2 times? Round your answer to four decimal places.

Sam's two new aquariums each hold exactly 200 gallons of water. One aquarium will hold small fish and the other will hold large fish. Now he needs new fish for his aquariums. He will buy 5 small fish for every 10 gallons of water in the aquarium.

Which term names the best representation of a border that separates one state from another on a map?

3x-6x+5 (3x-2) + 8x answer?

The equation t=0.07c represents the tax, t, based on the cost, c, of an item. Which part all of the equation represents the constant of proportionality? (A) T (B) 0.07 (C) C (D) 7