A fruit-punch recipe mixes two kinds of juice. It uses 64 ounces of sparkling water and 40 ounces of pineapple juice. What is the ratio of sparkling water to pineapple juice?

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882