Answer:
21
Step-by-step explanation:
Take 9 and add it to 10
Think long and hard
Realize that it's not 19
or 20
but twenyone
twenty one
:D
Answer2:
1-2
4
If 1/4 < x/7 < 1/3, then
7/4 < x < 7/3
1.75 < x < 2.333…
so that x = 2.
Two angles are Complementary when they add up to 90°.
Therefore