Answer:
x=-4
Step-by-step explanation:
Just had it on a test and got it write
If you divide 21 by 7 you get 3 so you divide 27 by 3 to get 9 so the ratio 21 to 27 is equivalent to the ratio of 7 to 9
Answer:
triangle A: equilateral
triangle B: scalene
triangle C: isosceles
Step-by-step explanation: