The volume of a cylinder is 4pixº cubic units and its height is x units.
Which expression represents the radius of the cylinder, in units?

2x
4x
2pix^2
41pix^2

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Adeposit of 5500 at 6% for 3 years equals