In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 42.9%. the difference between the number of cars and the number of suvs is 12. find the number of suvs in the lot.

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