Stephen paid $4.20 for a bag of jelly beans. if jelly beans cost 0.75 per pound, how many pounds did he buy?

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)