Find the best approximation of the surface area of this cylinder.
1380 cm2
4280 cm2
2140 cm2
1070 cm2

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.