The answer to this , you . i’m struggling

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

The graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours