Raymond buys bottles of water at 2 dollars each and a large pizza at 13 dollars. the total costar 21 dollars. how many bottles of water did raymond buy?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet