salim had 24 homework problems he completed 12 problems during lunch then he completed 7 more after school

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42