Rewrite the simplest terms: -3(s-10)+7(-2s-1)

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?

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels