66 It takes DeShawn 9 5 hours to mop a warehouse Perry can mop the same warehouse in 8 4 hours Find how long it would take them if they worked together 3 Solve each question Round your answer to two digits 7 0 1 9 9 x x Find f 1 4 Evaluate each function Round to the nearest HUNDREDTH if necessary TWO DIGITS 8 h a 2 1a 1 3a Find h 1 9 Evaluate each function ANSWER SHOULD BE A FRACTION OR MIXED NUMBER ANSWERS GIVEN AS A DECIMAL WILL BE COUNTED AS INCORRECT State the domain of the relation or function 10 7 An aircraft carrier left Port 51 and traveled east A submarine left two hours later traveling 10 km h faster in an effort to catch up to it After four hours the submarine finally caught up Find the aircraft carrier s average speed Ay A The relation is not a function B The relation is a function 11 Determine the slope of the line represented by the equation 16 4 y x