If a 45°-45°-90° triangle has a hypotenuse length of 7\sqrt{x} 2, what is the length of each leg of the triangle?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents