65 I think
So I did 4•5=20 and 9•5=45 and added 20+45 which equals 65
Answer: OPTION A
Step-by-step explanation:
Let be "a" the number of adults tickets they sold and "s" the number student of tickets they sold.
With the information given in the exercise you can set up the following System of equations:

Use the Elimination method to solve the system of equations:
1. Multiply the first equation by -6.
2. Add the equations.
3. Solve for "s" in order to find its value.
Then:

4. Finally, substitute the value of "s" into the first equation and solve for "a":

Answer:
Good question IM gonna come back and awnser this question dont worry this wont be the last of Me
Step-by-step explanation:
I think is B but idk how to do this but I could try
Answer:
(4,1)
Step-by-step explanation:
when points are reflected on the y-axis you switch your x coordinate from positive to negative or the other way around the y coordinate stays the same.
(2,1) reflected is (-2,1)
(7,4) reflected is (-7,4)
(-8,-4) reflected is (8,-4)
so (-4,1) reflected is (4,1)