Answer:
C is a function... all the others are not functions since it doesn't pass the line test.
Step-by-step explanation:
Boys to girls is 4:5.......added = 9
so 4/9 are boys and 5/9 are girls
Answer:
<h2>
a₃₀ = 120</h2>
Step-by-step explanation:

Answer:
$10
Step-by-step explanation:
$200 for the flat fee, then $400 X .05=$10
$10 is the amount made off of ticket sales.