Jane needs $20 to buy her radio. She has saved $15. What percent of the cost of the radio has she saved?
A. 35%
B. 60%
C. 70%
D. 75%
E. 80%

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32