Evaluate the expression for the given values of the variables. 4a+7b+3a-2b+2a ; a=-5 & b=3 a) 17 b) -5 c) -20 d) -30

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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.

Megan is making bracelets to sell to earn money for the local animal shelter. it takes her 1/4 hour to pick out all the beads and 1/10 hour to string them. this week, she only has 5 1/4 hours to make bracelets. how many bracelets will megan be able to make?