Anya is drawing a circle graph. she has one section left to label. what percentage must section y represent in her circle graph?

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Can someone me and do the problem plz so i can understand it more better