In chemistry, n molecules of an ideal gas have pressure (p), volume (v), and temperature (t) that stand in the following relation, where r is a constant. solve the equation for n, the number of molecules.

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