The mean is the average of the numbers: a calculated "central" value of a set of numbers.
Therefore: If the amount spent on books per month by all her classmates is leveled that amount would be $30
To calculate it: add up all the numbers, then divide by how many numbers there are
Answer:
-6n^4 -5n^3 +13n^2 +2n +3
organize the exponents from higher to lower.
Answer:
288
Step-by-step explanation:
The volume of the cube is 0.5^3 = 0.125, and the volume of the rectangular prism is 4*3*3 = 36.
Now, you just divide 36 by 0.125, which is 288.
I hope this helped.
Answer: 
Step-by-step explanation:
I hope you mean y = x² - 12 and not y = 2x - 12.
You switch the y and x variables:
x = y² - 12
And solve for y:
x + 12 = y²
B the person above me is right
