Answer:
No its 60
Step-by-step explanation:
No
2x+5.2 + 3x+ 1.2 +2x+6.2= 180
7x+ 12.6=180
7x 12.6 - 12.6=180 -12.6
7x = 167.4
x = 23.914
should equal 60
Answer: f(x)=x^(2)+14x+40
no
they must have to be addd to 180
