Answer:
The total money raised was 
Step-by-step explanation:
Let
x -----> the number of adult tickets
y -----> the number of children's tickets
we know that
The algebraic expression that represent the total amount of money raised from the sale of tickets is

For x=234, y=388
substitute in the algebraic expression

My dude there is no problem
Answer:
D) {1,9,10,15,17}
Step-by-step explanation:
1, 9, and 10 are smaller than 12, however, 15 and 17 are not, therefore this is NOT a solution set to the inequality.
The answer is D cuz it cross the x
Answer:
Answer is √202 or 14.21267
Step-by-step explanation:
d^2=(4−(−7))2+(5−(−4))2
d^2=(11)2+(9)2√
d^2=121+81
d^2=2–√202
d= 12.21267