Answer:
The first one perimeter is 111
Step-by-step explanation:
How to find the perimeter is too add all the numbers you see
7√3-4√6+√48-√54
=7√3-4√6-√(16×3)-√(9×6)
=7√3-4√6-4√3-3√6
=3√3-7√6
y=-5x-4
y=mx+b
-5=-5m+b
-5=-1+b
b=-4
:D
Hi
let call "a number" X.
then we have: 4-13X = X + 8 ..
