Mark has a $100 gift card to buy apps for his smartphone. Each week, he buys one new app for $4.99. Write an equation that relates the amount left on the card, y, over time, x. Then graph your equation.

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.