I have already solved the problem but I am still confused on this... Describe how the location, direction, and length of each arrow in the model relates to the expression. Then describe how the same model could represent an addition expression.​

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?