Jake is trying to mail a package to his grandmother. he already has s stamps on the package. the postal worker tells him that he is going to have to double the number of stamps on the package and then add 3 more. write an algebraic expression that represents the number of stamps that jake will have to put on the package.

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the