On the number line, a point was moved from -7 to -3. Which of the following problems describes this move? -7 + 4 = -3
-7 + 3 = -4
-7 - 3 = -10
-7 - 4 = -3

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?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.