7 - 13
Eli has 7 and his sister has 13
Answer:
1 to 1.89 or 1:1.89
Step-by-step explanation:
I don't know about 4 but of no. 6, it is A
B a = 180 -77-60
The angles add to 180 degrees since they form a straight line
77+ 60+a = 180
a = 180 -77-60
The third one