Answer:
3 groups of 5 sopranos and 12 altos
Step-by-step explanation:
true
because when we subtract 18 and 4, the answer is 12. Hence, the value is less than 18
1. 70 2. 85 3. 63 4. 20 5. They are vertical angles
18/4 or 4 1/2 or 4.5
1/4*18/1=18/4
