HELP ME PLEASE I RELOADED IT AND IT GAVE ME ANOTHER QUESTION IM GONNA CRY

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?