Answer:
pretty sure is the first one
Step-by-step explanation:
a proportional relationship is a straight line that passes through the origin
Answer: The correct answer is B because 0.7x=210, x=300
Step-by-step explanation:
210= 70% of the total distance to his grandfather's house, lets take that total distance for x.
So if:
210=0.7x
x=210/0.7
x=300
Answer: D. History
Step-by-step explanation:
To answer this question, we need to use the z-score formula written below:

Now we'll just plug in the numbers and solve.
History:

Biology:

As we can see, history wields a higher z-score than biology, thus leaving us with option D. History