The function d=40-15x represents the amount of money you have left after buying x CD's. Is this Discrete or continuous. Then make a graph to back up your answer.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

What does x = in this equation x+3+2x=x+5

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?