I’ll try but I can’t promise ;(
Well you go Thirty dollars Divided by 60% and you'll get your answer
The mid point of the segment would be (-4,2)
There is no way to tell because there is no value for x and y. However just looking at the picture, I’m guessing m is around 45 degrees.
Add 11 and 14 = 25. Then change 5% to a decimal or .05. 25 x .05= $1.25 this is the tax. Add $25 to $1.25. Answer is $26.25