Use substitution to solve the system.
-5x+2y = 16
x = 3y - 11

Carrie started with 12 ounces of water when she begin to walk. when she was finish walking she had 2 1/4 ounces of water left. how much did she drank

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?