Answer:
Step-by-step explanation:
<u>Use formula:</u>
- A = 1/2 Pa, where P-perimeter of the polygon, a- apothem
1)
- A = 1/2(7*13.9)(14.4) = 700.56 ≈ 700.6
Correct choice is B
2)
Correct choice is A
25x+20y=455
x+y=20
20x+20y=400
-25x-20y=-455
-5x=-55
x=11
11+y=20
y=9
Solved it as well, sorry if I wasn't supposed to
Answer:
8/9
Step-by-step explanation:
First we need to get both of the fractions to the same denominator.
1. 2/3 + 2/9 = 6/9 + 2/9
Next, we simply just add the fractions.
2. 6/9 + 2/9 = 8/9
An event that cannot happen is impossible
