The ratio of two radii of two spheres is 15:8. If the surface area of larger sphere is 706.9 mm2, fine the surface area of the smaller sphere. i need help. no scam plss

Iam so stuck. what is the worked out answer for this question?

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph