Suppose you know that ∠S and ∠Y are complementary, and that m∠S = 5(m∠Y) − 240°. Find m∠Y. The value of m∠Y is

15 point ! ~ see if you know the answer to both you!

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?