Angle x is a third quadrant angle such that cosx=−15 .

What is the exact value of cos(x2) ?

Joanie watched 1 out of three of a movie in the morning

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?

What is the inverse of the function f(x) = 2x + 1?