Sarah's remote control boat can run at a constant rate of 10 feet per second. her little brother, danny's boat runs at a constant rate of 5 feet per second. in a race sarah gives danny a 4 second head start. how long after danny's boat takes off will sarah's boat catch danny's? show your work

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