Answer:
(1)7 (2)9 (3)6
Step-by-step explanation:

(1)The average rate of change between x=2 and x=5

(2)The average rate of change between x=3 and x=6

(3)The average rate of change between x=2 and x=4

Answer:
1.4
Step-by-step explanation:
10 decreased by 1.4 is 18.6
Answer:
20
Step-by-step explanation:
Eva because 3:2 = 9:6 because when they multiply by 3 on each ratio