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Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

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