I need to solve for x

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?