The conclusion is valid
it is a systematic random sample
and the second one is a line graph (I think)
Answer:
4900
Step-by-step explanation:
multiply all those numbers together
2x2x5x5x7x7 = 4900
A= 11/12 i hope this helped !!!
Answer:
c
Step-by-step explanation:
substitute (2,1) and (5,4) into each equation
2-1=1 and 5-4=1 so c is correct