9) In the accompanying diagram, AB and CD intersect at E. Find the value of x. If m ZAEC = 4x - 40 and mZBED = x + 50, find the number of degrees in Z AEC?
B
E
(4x – 40)
(x + 50)
D
А
x=
MZAEC =

Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.