0 the answer is simple as 0
The conclusion is valid
it is a systematic random sample
and the second one is a line graph (I think)
Answer:
x = 12
Step-by-step explanation:
5x - 30 = 2x + 6
3x = 36
x = 12
1/16
multiples 15,30,45,60, and 75 making 5/80 then you simplify to 1/16