D- 3.9, 3.6, 3.3
F- 25/35, 31/35, 36/35 or 1 and 1/35
Hey! There are 7 sides and 7 vertices on a Heptagon. Hope this helps!
You will get both of the fractions over the same denominator, so it will be 27/63 and 56/63, then you will add the two numerators, so it will then come out to 83/63, and you will then simplify that by subtracting 63 from 83, and will get 1 20/63
Answer:
The answer is 2
Step-by-step explanation:
4 + (-2) = 2
density= mass/volume
mass= densiy x volume
mass= 6.3 g/mm^3 x 30mm^3= 189 g
