Answer:
A.

Step-by-step explanation:
Since the denominators are the same we just have to combine the top.

Combine alike terms.

put that over our denominator.

Area of the big rectangle : 60 ! area of entire figure : 80 !
Answer:
Descriptive statistics
Explanation:
The population average is a descriptive statistic. It informs about how the population looks like, in this case, the population looks like having a average of 1000.
If, using her class's average where to infer the population average that is inferential statistic. But that is not the case
x = 95°
The angles are vertically opposite so they are equal.