Select the correct answer. Which equation represents the vertical line passing through (1,-9)?
A.
x = -9
B.
x = 1
C.
y = -9
D.
y = 1

What is the area of the triangle 10 13 12

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.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