X + 2y = 7 x - 2y = -1 {(-4, 6)} {(-8, -12)} {(3, 2)}

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

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

What does x = in this equation x+3+2x=x+5