What is the equation of the line that passes through the point (1,7) and has a slope of −1?

Describe the domain and range of y=2(3)^x-2+5

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18

I’m confused on how to work the pie charts