Question

In a complete turn (of 3600

),the number of times an object looks exactly the same is called………..​

Answer 1

Answer:

your last question answer is

1; a+b

a=3, b=2

answer : 3+2=5

2: 7a-4b

7×3-4×2

7×3=21

4×2=8

answer is 21-8=13