Pplleeaasse need ! ! the surface area of the right cylinder is 80π. the cylinder's radius is 4. what is the height of the cylinder? a) 4 b) 6 c) 8 d) 10

What is the range? can’t seem to find it out

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.