Tis estimated that americans buy 2.92×1010 bottles of water per year. at this rate, how many bottles of water are purchased by americans each day? express your answer in scientific notation.

Can (2,3 and square root 10) be sides ona right triangle?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?