Please help me
A. 0 ≤ x ≤ 40
B. 0 ≤ y ≤ 40
C. 0 < x < 40
D. 0 < y < 40

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

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.