430. Suppose that ABCD is a rhombus and that the bisector of angle BDC meets side BC at F. Prove that angle DFC is three times the size of angle F DC.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?