To find conjecture about regular polygon, use the formula

Where, n = number of sides of the regular polygone
1) Triangle
n =3
So, Conjecture of the triangle =

= 120
2) Square
n =4
So, Conjecture of the square =

= 90
3) Pentagone
n = 5
So, Conjecture of the pentagon =

= 72
4) Hexagone
n = 6
So, Conjecture of the pentagon =

= 60.
No . because you would then have 2/4 which is 1/2 50%
she surveyed "x" amount, which is the 100%, but we also know that 180 is the 37.5%, so

Answer:
-3a
Step-by-step explanation:
Ignore the variable since they are the same, apple and apples, and simply pay attention to the coefficient