You don't provide any info other than the question.
Answer:
Step-by-step explanation:
(10 - 8)/(-21 + 9)= 12/-12= -1
y - 8 = -1(x + 9)
y - 8 = -x - 9
y = -x - 1
This is easy I did it already on this quiz It’s C. 500
Multiply the cost by the tip percent
$125 * .15 = 18.75
