4
Use your research to answer all the questions below (You must show all your workfexplanation):

1) Use the picture on the right to complete the following questions.

a) Are AB and DC parallel? If so, choose the proper formula
to prove it. If not, explain the reason

b) Are AB and DC congruent? If so, choose the proper
formula to prove it. If not, explain the reason.

What could explain what happened when the time was equal to 120 minutes

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.