Answer:
40%
Step-by-step explanation:
20/50 = 40 /100
you have to expand to 100 and you get 40%
10
do 20 divided by 2
1) about 9 or 8.7
2) 4
3) about 5 or 4.5
4) 2
5) about 4 or 4.4
6) 2
4.58
Sq rt of 21 3x7= 21
so hard
It is easy just: step 1: connect all dots then add your numbers up
