Answer:
The answer is one.
Step-by-step explanation:

Answer:
Speeds of car 1 and car 4 are same.
Step-by-step explanation:
Speed of an object = 
For car 1,
Speed of car 1 = 
= 70 miles per hour
For car 2,
Speed of car 2 =
= 60 miles per hour
For car 3,
Speed of car 3 = 
= 64 miles per hour
For car 4,
Speed of car 4 = 
= 70 miles per hour
Therefore, speeds of car 1 and car 4 are same.
Perimeter of smaller is 24.
Perimeter of larger is 32.
Ratio of Larger:Smaller is 32:24 = 4:3
Answer:
6+y
Step-by-step explanation:
6+y is the ans as the question has asked to sum of them but it has not given any other clues