I have 4 minutes and i don't understand this PLEASE HELP Mrs. Smith works at a music store. Last week, L, she sold 6 more than 3 times the number of CDs she sold this week, T. Mrs. Smith sold a total of 110 CDs throughout the 2 week period. Which system of equations represents the number of CDs she sold last week and this week?

Which equation requires the division property of equality to be solved?

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.