What is the equation of the line in slope-intercept form?

Show me how you find y and z and determine what y and z are you i appreciate it : )

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell