What is not a relationship between the radius and diameter of a circle? d= r/2, d=2r, r=1/2d or r+r=d

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 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Eiko is wearing a magic ring that increases the power of her healing spell by 30%. without the ring, her healing spell restores h health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?