2. the equation (2x-3)(x+7)=0 has a solution set of
(1) {-7,11)
(3) {-7,3}
(2) {3, 7}
(4) {1/2,-3}

90.0% complete a b c d e confirm last week, your delivery runs took 7 hours 12 minutes on monday, 6 hours 46 minutes on wednesday, and 6 hours 53 minutes on friday. what was your average time for a delivery run?