On tuesday, david and three friends shared a large pizza for an after-school treat. each of the four boys ate the same amount of pizza. on thursday, david shared 2 large pizzas with 7 friends for his soccer team. each of the 8 team members got equal amounts.

what fraction of a large pizza did david eat on tuesday?
what fraction of a large pizza did david eat on thursday?

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