In January, the depth of a lake was 871 feet. In August, the depth of the lake was 566.15 feet. What is the percentage decrease of the depth of the lake from January to August?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?