How do I know which operation to use with a word math problem

My momma and daddy was fightin last night.

Which expression is equivalent to 2x^2 - 3x? A) - x^2 B) - 2x^2 + 3x C) 2x^2 - 3x D) x^2

Which graph best represents the solution to the system of equations shown below? y = - 2x + 14 y = 2x + 2

4r+3=r+21 How do I do this?

A regulation basketball hoop has a rim with an 18in diameter. what is the approximate length around the rim?

Dominic books with 12 postcards in each book. He has 4 boxes with 20 coins in each box. If he gives 15 post cards to his friends, how many postcards and coins does he have?

Which system of equations has exactly one solution? - 2x-4y = 8 x+y=7 3x+y=-1 x-2y = -2 3x+3y=3 -Ex-by=3 3x-2y=4 -3x+2y=4

The side length of a square is shown. Which expressions are equal to the perimeter of the square? (w-2) Select all that are correct. 2 (w - 2) + 2 (w - 2) w + w + w + w - 2 - 2 - 2 - 2 4w - 2 2w - 4 4 (w - 2)

115 and 125 as a decimal

There is a spinner with 14 equal areas, numbered 1 through 14 if the spinner is spun one time what is the possibility that the result is a multiple of 6 or a multiple of 4