Answer:
X=45
Step-by-step explanation:
Lines AC and CD meet at a right angle so you half 90 =45
Answer:
57 + x³
Step-by-step explanation:
Answer:
Step-by-step explanation:

This means a graph with a slope of -1, and a y-intercept of -3
Answer:
An adults ticket costs $9
Step-by-step explanation:
Kids:
$7
Adults:
$9
So if you add 7+7+7= 21 (kids)
then do 9+9=18(adults)
Then add them together you get 39$