By installing efficient water fixtures, the average american can reduce water use to about 45 gallons of water per day. using such water fixtures ,about how many gallons of water with average american use in december

X2 + y 2 = 36 x + y = 6 solve the system of equations.

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points