D = | -12 - 9 | = -21
d = | -2 - (-7) | = 5
d = | 25 - (-1) | = 26
Answer:
x<3/2
Step-by-step explanation:
12x+7<-11
12x<-11-7
12x<-18
x<-3/2
Answer:
(10, -3)
Step-by-step explanation:

Answer:
y =34.5
Step-by-step explanation:
9 times 2.50 = 22.5 + 12 = 34.5,
so y =34.5