-2 !!!!!!!!!!!!!!!!!!!!!!!
Answer:
8.5
Step-by-step explanation:
1/9=0.1111111111111
0.1111111111111=0.1
83=80 or 85
0.1*85=8.5
Answer:
-9/6
Step-by-step explanation:
simple, multiply the 7/3 by 2 to get the same denominator, then just subtract
Answer:
B. f(x)= 
Step-by-step explanation:
The 15-year old age group has the lower ratio (15years = 7:10. 16yr = 10:19