Answer:
21.60
Step-by-step explanation:
18% of 120 is 21.60, so we would tip her hairdresser that much :)
21.6
Do 0.18 (18%) times 120
B
(x,y) = P + (a)t
(x,y) = (4,7) + t(3,8)
(x,y) - (4,7) = t(3,8)
(x-4, y-7) = t(3,8)
x<7
hope this helps :)
