Find the value of: −|−15|

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours