(-1,1) and (0,4) are on the line what is the linear equation in standard form

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how