Write the equation of a line with a slope of −1 and a y-intercept of −6. y = −x − 6 y = −6x − 1 −x y = −6 −x − y = −6

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