Answer:
14 = x
Step-by-step explanation:
-2 on both sides you get 7 = x/2, multiply both sides by 2 and you get 14 = x
The first one is 60 and the second one is 12
5*12=60 6*12=72 72-60=12
Answer: 2n
Silvia is n, sister is n, total is n+n=2n.
2. A- 122°
3. A- 60°
4. c- 3