Select all the expressions that are equivalent to 5x + 30x - 15x
1) 5 (x + 6x - 3x)
2) (5 + 30 - 15 ) x
3) x (5 + 30 x - 15x)
4) 5x ( 1 + 6 - 3)
5) 5 (x + 30x - 15x)

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)