What is the equation of the line that passes through the point (6, -6) and has a slope of -5/3

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

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)