Answer:
The prime divisors of 10 are 2 and 5, and the first six primes are 2, 3, 5, 7, 11, and 13
Step-by-step explanation:
7/9 = 7/9
140/180=7/9
they are proportional
the fractions + the same thing
A is the answer because I did this before
17. All
18. B because it can be symmetrical either way