How old was Lisa x years ago if she is now 13?

Which expression represents this?

x + 13

x - 13

13 - x

When driving in normal conditions on a rural roadway your following distance should be no more than one second three seconds twelve seconds four seconds or more

4 (x+8) - 4=34-2x?

The measures of three angles of a triangle (2x) °, (3x) ° and (x + 60) °. What is the value of x?

Write 75.854 in expanded form

P=2l+2w w=7 p=42 what is l

Mt. Vesuvius has an altitude of 3000 feet. A person stands 120 feet away from the base of the volcano. What is the angle of elevation from the person on the ground to the top of the volcano?

A dollhouse is 2.8 feet tall. An actual house is 39.2 feet high. The scale factor is 14/1. True or false?

If 2/5 of a tumor weighs 1 pound, how much will the whole tumor weigh?

The following graph details the number of performances of plays a Shakespearean acting company has performed over the past five years. A pie chart titled Performances.

What number in multiplication is equal to 15,000