Aproximati prin lipsa si prin adaos la sute numerele: a)5193; b)3246 c)4572; d)6283; e)33406; f)75268; g)89341; h)40729.

Which ratio is equivalent to 10: 85

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

The measure of an angle is 117°. what is the measure of a supplementary angle?