Answer:
73
Step-by-step explanation:
...wait 69?!?!?!?!
Answer:
first one with -1...21
Step-by-step explanation:
only one that follows quadratic formula format
Answer:
D
Step-by-step explanation:
The answer is d, because a represents adults, and c represent children. It's $45 per adult, so $45a, and $30 per child, so $30c. a+c is equal to 10, because that's how many tickets were purchased. $45a+$30c=345, because $345 is the total amount spent on tickets.
