The equation <u>6 + 9a = 51</u> can help find out how many adults were in the group.
I got 6 units^2. So the answer is the second choice. ab/2 = 3*4/2 = 6.
Answer:
1. always true
2. always true
3. sometimes true
4. always true
5. never true
Step-by-step explanation:
