Rebecca and Dan are biking in a national park for three days. They rode hours the first day and hours the second day. How long do they need to ride on the third day to make their goal of biking a total of 20 hours in the park?

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)

How many dollars more is the price of a pie than the price of a doughnut at erik’s store