The greatest common factor of 21 and 40 is 1
Answer: you are correct the correct answer is A
Answer:
The two ratios are equivalent.
Step-by-step explanation:
Reduce both fractions:
6/21 = 2/7 [Take out 3 from both sides]
8/28 = 2/7 [Take out 4 from both sides]
2/7 = 2/7
The anwser is D)147 degrees
