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

Which expression represents this?

x + 13

x - 13

13 - x

Three bags of dog food cost $26.88, including tax. Jerry has $50.00. How many bags of dog food can Jerry buy?

What is 1,-6 and - 7,2?

How many lbs to a kg?

The cost for taking a taxi is $1.80 plus $0.10 per eighth of a mile. What is the cost of a ride that is 4.5 miles long?

If the linear factors are (x-30) and (x+20), then what are are the zeros?

Which statement is true about millimeters and kilometers?

A bag contains of cards 2 red 3yellow, 3 blue What is the probability that you will draw a red card and then a yellow card

What is the ratio of 0.9 and 0.8

A quadrilateral has sides that measures 12 centimeters, 10 centimeters, 10 centimeters, and 5 centimeters. The side that measures 12 centimeters is parallel to the side that measures 5 centimeters. what is the figure?

Is 27 divisble by 2 3 4 5 6 9 or 10