A bridge is built in the shape of a semielliptical arch. The bridge has a span of 60 feet and a maximum height of 10 feet. Choose a suitable rectangular coordinate system and find the height of the arch at a distance of 10 feet from the center.

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