3. Amy’s friend Denise bought 6 fish. They will triple in number each month. Denise needs to know how many fish she will have in 8 months.

a. Write an equation for this situation.
b. Assuming no fish die, how many fish will she have in 8 months?

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags

Calculate the mean value (expected value) of the following discrete variable x (10 points): x = 0, 1, 2, 3, 4, 5, 6 p(x) = 0.2, 0.2, 0.15, 0.15, 0.15, 0.1, 0.05

If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?