40 is what percent of 50? 8% 12.5% 80% 125%

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day