Jamal wants to build a square pen for his dog that has an area of 144 ft². what is the length of each side of the pen? a: 12ft b: 15ft c: 36ft d: 72ft

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