Harry worked 7 hours last week. this is 1/3 as many as aidan worked. how many hours did aidan work?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?