Answer:
9 over -15
Step-by-step explanation:
you subtract the coordinates from each oth
C
14 : 16
7 : 8
boys : girls
B
CosA = AB/AC = 12/20 = 3/5
0.2
1/10 = 0.1
10/100 = 0.1
0.1+0.1 = 0.2
