Help with this please ASAP

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?