Jon’s teacher wants to buy giant cookies for the entire class. If cookies cost $1.95 each, write an equation that shows how much change she will get back from $30 after buying C amount of cookies.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!