Answer:
an even number
Step-by-step explanation:
an even number is produced with the sum of two even or two odd numbers, you will only et an odd number if add an even and an odd.
It's an even number
The value of x is 80°
Explanation is shown in the picture.
x = 2 × 40°
= 80°
I'm not sure what you mean by 'written method' but the sum is 2,654.
8:10 in ration
8/10 fraction