The perimeter of abc is 30 feet. ab=5x-7, bc=3x+1, ac=4x. list the angles of abc in order from smallest to largest

a) angle a, b, c
b) angle a, c, b
c) angle c, b, a
d) angle c, a, b

Lets say we have a triangle ABC
if A is the biggest angle, the side oposite that angle (BC) will be the longest
so

perimiter=AB+BC+AC
P=30=5x-7+3x+1+4x
find x
30=5x-7+3x+1+4x
30=5x+3x+4x-7+1
30=12x-6
add 6
36=12x
divide 12
3=x

evaluate each
AB=5(3)-7=15-7=22
BC=3(3)+1=9+1=10
AC=4(3)=12

AB>AC>BC
the oposite one
C>B>A
smallest to largest
A<B<C
answer is option A