Let triangle ABC have AB = 7, BC = 8, and m b, and b is not divisible by the square of any prime (that is, it is simplified as much as possible.) Compute a+b.

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

For the equations below which statement is true ?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.