Length of the rectangle is 4 less than 3 times its width. If the perimeter of the rectangle is 32, find its length.
a) L=3
b) L=11
c) L=12
d) L=5

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