I got 42.5 cuz 4x+10=180 then take away 10 from both sides so 4x=170 and you divide each side by 4
Answer: 3/2a3
I can't properly write the answer sorry but it's the last one.
Answer:
the answe is 10.30
Step-by-step explanation:
im also from k12 lol
Answer:
5 feet = 1 inch
Step-by-step explanation:
20 / 4 = 5
5 feet = 1 inch
So.... notice the picture below
now, we know what the "height" or "altitude" is
now, we also know the perimeter is 18cm
so, k + k + b = 18
or 2k + b = 18
thus

so... one can say that

and you can simplify it if you wish.. not sure you have to