Sin(?) times 56 divided by 18

How do you convert 1.27 to a percentage

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

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