What is -9 2/3, -9 7/12, -9 3/4 from least to greatest

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

The tile along the edge of a triangular community pool needs to be replaced? ?