Grant plans to evaporate enough water from 22 gallons of a 16% ammonia solution to make a 24% ammonia solution. Which equation can he use to find n, the number of gallons of water he should remove? a. 3.52(22-n)=0.24
b. 22-n/3.52=24/100
c. 3.52/22-n=24/100
d. 3.52 + (22-n)=0.24

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

How can you construct perpendicular lines and prove theorems about perpendicular lines