Answer:
n = 70
Step-by-step explanation:
n/10 = 7
Multiply each side by 10
n/10 *10 = 7*10
complementary angles
The sum of the angles is 67+23 = 90
When angles sum together to 90, the are called complementary
7. 648
8. 759.88
9. 193.52
10. 148.92
,
your answer is A