Answer:
2.60
Step-by-step explanation:
z-score is the difference between the score and mean, divided by the standard deviation.


So 2.6 is an answer close enough.
Answer:
rational
Step-by-step explanation:
<span>Part A
</span>The variables would be x and y where as the coefficients would be 25 and 100
Part B
There are two terms in the expression, those being 25x and 100y. This is because s plus or minus sign separates terms, and in this case, we only have one plus sign.
<span>Part C
</span>The term that represents the total earnings from mowing lawns in 100y, because the prompt says that he earns $100 mowing lawns.
Each little square is 1 inch high and 1 inch wide, so
the area of each little square is 1 square inch.
The bug figure is made of 23 little squares, so the area
of the big figure is 23 square inches.
Answer:
m+n=140
Step-by-step explanation:
So the angles in a triangle always add up to 180. We already know that the first angle in the triangle is 40 degrees because it's shown in the angle below the triangle. So we have 140 degrees left since 40 is taken up. That eans m+n=140