Answer:
102
Step-by-step explanation:
All angles added together=180
180-13-65
180-78
102
Answer:
Its going to be a line going straight across the 4 along the y axis .
Step-by-step explanation:
See graph attached
Step-by-step explanation:
Let x be the entry fee.
Let y be the cost of each ticket in dollars.
Since Keith paid the entry fee and 10 tickets,
we have x + 10y = $30.