Y=-4/2x-3 that should be a correct answer
Hold on just have to type before I can see the question
4 sheets
Explanation
30 divided by 9 gives you 3.333333
But you can’t have 3 1/3 of a sticker sheet so you round up to 4 sheets
Since C is 61 degrees, A is 90 degrees because of the right angle, and B would be 29 degrees because you add 61 and 90 together and subtract that amount from 180.
Wait I'm sorry if this is what you aren't looking for-