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

Pranza plotted point a in the coordinate plane below.

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

If a is a nonzero real number then the reciprocal of a is