Answer: If the answer needs to be simplified, then the answer would be
-20c^2 d^3 - 16cd^2
Step-by-step explanation:

Explanation:
Area is pi×r^2 and you times it by the fraction of the circle you have as its not a full circle.
Answer:
If the amount spent on books per month by all her the classmates is leveled, that amount would be $30.
Step-by-step explanation:
The mean is the average amount calculated by finding the sum of a certain group of numbers, then dividing it.
This can be described as "leveling" the amount, since it is the total average.
So, the mean of $30 in this situation means that the average amount that her classmates spend on books is $30.
The correct answer is that If the amount spent on books per month by all her the classmates is leveled, that amount would be $30.
Answer:
1. 12
2. 0.04
3. 196
Step-by-step explanation:
1. 12*12= 144
2. 1/25= 0.04
3. (11-8)^2= 3^2= 9