Ahollow ball is made of rubber that is 1 cm thick. the ball has a diameter at the outside surface of 10 cm.

what is the approximate volume of rubber used to make the ball?

use 3.14 to approximate pi.

255.4 cm³

267.9 cm³

523.3 cm³

2043.1 cm³

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Explain how you divide powers with like bases.discuss why the bases have to be the same.how are these rules similar to the rules for multiplying powers with like bases.