Answer:
Natural selection is a mechanism, or cause, of evolution. Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. Random mutations are the initial cause of new heritable traits.
The answer is B because there are 8 sections and only 3 are blue so the chances are 3/8
Given that the table shows the total miles Uyen has run this week.
The image of the table is attached below.
The total distance from the table is 
The total distance this week is 1.5 times the distance that she ran last week.
We need to determine the number of miles that Uyen run last week.
<u>The number of miles Uyen run last week:</u>
Let x denote the number of miles that Uyen run last week.
Let us write the equation from the given data.
Thus, we have;

Dividing both sides by 1.5, we have;

Hence, the value of x is 14.8 miles.
Thus, Uyen ran 14.8 miles last week.
Answer:
the third option. x is a real number