Two brothers are digging a drainage ditch for a french drain around their home. the ditch
is to be 2 feet deep, 1 foot wide, and 40 feet long. the older brother can dig the ditch in
14 hours. the younger brother can dig the ditch in 17 hours. how long will the two
brothers working together take to dig the ditch? (round your answer to the nearest tenth.)

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