Beth buys 9 CDs for the same price, and also a cassette tape for $9.45. Her total bill was $118.89. What was the cost of one CD? c=

Find the solution of system of equation y= x-4 y=4x+2

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

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?