Answer:
62
Step-by-step explanation:
To find the mean, add the numbers together and divide the sum by the total amount of numbers.

You gotta round the be to 100,000
Given parameters:
Percentage gain = 300%
Selling cost last year = $2420
Unknown:
Selling cost this year = ?
Solution:
To solve this problem;
Profit percent = 
300 = 
3 = 
S- 2420 = 7260
S = $9680
To make a 300% gain, Jefferson Middle school needs a $9680 from fundraiser sales this year.
Answer:
x = 271 degrees
Step-by-step explanation:
I supppose the answer is F(X)=X²+4, you can use the vertex to confirm.