Peter owns a lawn mowing service. for every 3 hours of lawn mowing, peter charges $28.80.write an equation that models the relationship between the total charge, y,and the number of hours, h,that peter works.

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

What is the length of an with endpoints a 3,2 and b 8,14

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )