9plus ten is a hard question, yes? cant solve, i think its 21, my brothre said it was but he always les. hyelp gotta turn my ork in on 11/ 29 /2019. i think it is the 25 or somnethng i dont know

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?