Romeo makes $12.00 an hour for his first hour of work, $17.00 his second hour, $22.00 his third hour and so on. how much money in total will he have earned after his 50th hour of work?

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

What percent of 18 is 24? and plz explain thx.

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)