Sharonda uses a blend of dark chocolate and milk chocolate to make the ice cream topping at her restaurant. she needs to buy 120 kg, of chocolate in total for her next order, and her recipe calls for twice the amount of dark chocolate as milk chocolate.
let d be the number of kilograms of dark chocolate she buys and m be the number of kilograms of milk chocolate she buys.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in