Solve the equation for h: x - r-h/y

To decrease an amount by 16% what single multiplier would you use

Point q is equidistant from the sides of ∠tsr. find m∠rst.

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?