Answer:
Expressions: a symbol or a combination of symbols representing a value, relation, or the like.
Equations: a expression or a problem that helps you add, subtract, multiply, or divide
Step-by-step explanation:
5/9, 5 ÷ 9
h/16, h ÷ 16
w + 8 ÷ 3,
x - 2 ÷ y,
540°
The sum of interior angles in a polygon is equal to 180(x-2) where x is the number of sides. Since there are 5 sides, 180(5-2)=540°.
391
because according to the questions that's it
