Maria and nadia drive from philadelphia to toronto to visit their friend. they take two days for the trip, stopping along the way for sightseeing. to conserve on gas mileage, they drive at a constant speed for the entire trip. which of the following equations, where xx x x represents hours and yy y y miles, represent a speed that is greater than maria and nadia's speed? day 11 1 1 day 22 2 2 hours 44 4 4 55 5 5 miles 240240 240 240 300300 300 300 choose all answers that apply: choose all answers that apply: (choice a) a y=60xy=60x y=60x y, equals, 60, x (choice b) b y=65xy=65x y=65x y, equals, 65, x (choice c) c y=70xy=70x y=70x y, equals, 70, x (choice d) d y=80xy=80x y=80x