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1. the volume of a fish tank is 300ft^3. if the density is 0.3 fish/feet, how many fish are in the tank?
2. what is the shape of the cross section taken parallel to the base of a square pyramid?
3. find the volume of the cube which is 5 centimeters long, 5 centimeters wide, and 5 centimeters tall.

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation