Which points lie on a circle that has its center at the origin and contains the point (0, 3)?

100 points, hi, i’m not sure how to get the equation from the graph and table.

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items