A manufacturer of video games sells each copy for $21.27. The manufacturing cost of each copy is $15.78. Monthly fixed costs are $7500. During the first month of sales of a new game, how many copies must be sold in order for the manufacture to break even (that is, in order for the total revenue to equal the total cost)?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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?

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°