How do I find the y-intercept of a line with 2 points and slope? I just need an equation to function on.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle

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

Pls i’m super dumb and i need with this one it’s due tomorrow