Peter paid $79.80 for renting a tricycle for 6 hours. what was the rate per hour for renting the tricycle? (input only numeric values and decimal point, and report prices to two decimal places, such as 12.30.)

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas