Solve using perfect square factoring patterns. y2 + 16y + 64 = 0
a: {–8}
b: {8}
c: {8, –8}
d: {0, –1}

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