Every year, Jeffrey's grandmother knits him a cozy wool sweater for his birthday. Jeffrey's
favorite color is red, so she plans to buy 700 yards of thick red wool for his sweater this year.
She chooses a wool that is sold in 420-foot skeins, or bundles. How many skeins should she
buy?

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

What percent of 18 is 24? and plz explain thx.

Solve -.016x= -16. need solving this