Answer:
I think this is the answer! 2x3 + 5x2 - x - 6 let me know if it’s right :)
Step-by-step explanation:
30. You’d do 180 divided by 6 :)
The question is too general....but it could be acute, obtuse
3x-4y=65
3x=65+4y
x=(65+4y)/3, when y=4
x=(65+4*4)/3
x=(65+16)/3
x=81/3
x=27