4) Write an expression that describes the following expressions. a)The taxi fare of $0.5 for each mile, m. b) Eight less than Ava’s shoe size, s. c) The quotient of g and 18.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.