An element with a mass of 930 grams decays by 15.6% per minute. To the nearest
tenth of a minute, how long will it be until there are 70 grams of the element
remaining?

Two terms in a geometric sequence are a5=15 and a6=1 what is the recursive rule that describes the sequence?

Barbara is tiling her craftroom floor with square tiles.she wants 6/10 of the square tiles to be red.if she used 18 red tiles,how many square tileswill be used to cover the floor?

Larissa dives into a pool that is 8 feet deep. she touches the bottom of the pool with her hands 6 feet horizontally from the point at which she entered the water. what is the approximate angle of elevation from the point on the bottom of the pool where she touched to her entry point? 36.9° 41.4° 48.6° 53.1°