During the first 11 months of a recent year, a certain charitable organization received an average (arithmetic mean) of $20,600 per month in donations. how much did the organization receive in donations during december of that year if the average amount of donations per month for the entire year was $21,000 ? a. $21,400
b. $21,600
c. $24,000
d. $25,400
e. $25,800

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y