Answer:69
Step-by-step explanation:
Answer:
1-B The arrow is moving to the left which means that each equation should be negative which'll result in a negative.
2-A
Answer: 70.77 or 71 if rounded up
Step-by-step explanation:
Add all the scores then divide to 18.
Answer: 
Step-by-step explanation:
1) Identify the statement you want to prove is true
2) Assume temporarily that the statement is false; assume the opposite is true
3) Obtain statements that logically follow from your assumption.
4) Reason logically until you reach a contradiction of a known fact.
5) Point out that your assumption must be false, and the statement must then be true.
