The percent of change from 200 to 220 and indicate if it is an increase or decrease.

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

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

Interpret the following expression (5y^2-7)^3/(2y)^2