1) 65+57= 122
180-122= 58
2) 40+90=130
180-130=50
3) 130+20=150
180-150=30
4) 85+50= 135
180-135=45
Sorry, IDK the rest. So so sorry.
8 / 2 equals to 4
therefore 10 / 2 will be equal to 5
Answer:
The degrees of freedom for the chi square statistic is 7-4=3
He would have 21 before he bought the 10 stamp because 31-10=21
The answer is 9 : 5
36:20
18:10
9:5
