Hello,
"<" is transitive.
a<b
b<2 ==>a<b<2==>a<2
Answer:
A. 
Step-by-step explanation:

I am joyous to assist you anytime.
Answer:
3:7
Step-by-step explanation:
18/6(largest factor)=3
42/6(largest factor)=7
Answer:
.00059 or .0006
Step-by-step explanation:
You are trying to find what won't be in the water because there are many combinations so you use a complement formula.
1-0.79=0.29
Use the left over percentage in an equation to determine the probability.

The exponent 6 comes from the number of locations.