Tanisha baked an apple pie. She ate 1/6 of the pie. Her sister ate 1/4 of it. Tanisha gave her mother the rest of the pie. What fraction of the pie did Tanish give her mother?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Which of the following contains a variable?