Answer:
20
Step-by-step explanation:
3/4=15/x
4/3=x/15
4/3*15=x
X=20
Answer:
22m
Step-by-step explanation:
No. This is not random sampling as the students chose are not chosen at random. Random sampling would be something done where each sample has equal probability of being chosen. Clearly this is not random sampling.
Answer:
c
Step-by-step explanation:
because 1 is also know as +1
Answer:
B
Step-by-step explanation:
First you will add them all up
6+4+10+2=22
Second find the black and green amount and add them together
4+10=14
Thirdly turn this into a fraction
14/22
Lastly simplify
14/11 / 2 = 7/11