Ron gets $5 on the first day at work, the square of that amount on the second day, and three times the amount of the second day on the third day. how much does ron earn in three days?

5+5^2+3(5^2)=105
first day is 5; second day is the square of 5, so it's 25; third day is the 3 times of the second day, so it's 25x3, which is 75. Add these 3 days together to get the answer, which is 105 dollars.