7. a plane flying from city a to city b travels x miles per hour for a total

of 4.5 hours. the plane takes the same route on the return trip, traveling

25 miles per hour faster for a total of 4.25 hours. what is the total distance

that the plane travels?

work

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

Which expression is equivalent to? assume x > 0 and y > 0.

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of