A store employee creates a display of refrigerators priced at $990 apiece. The store paid $450 for each refrigerator. What is the mark-up percentage?

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

What is the solution of the systems of equations? y=2/3x+3 x=-2