Let the average cost of car in 2009 be $x, then the average cost of a car in 2013 is 2x - 5
25,000 = 2x - 5
2x = 25,000 + 5 = 25,005
x = 25,005/2 = $12,502.50
I believe the last one about right triangles. That’s why Pythagorean Theorem works.
Its 4-5(7) the answer is 7 (im wrong idek the answer
Well - I mean. If every lunch costs $4 that means that the relationship should be linear.
You used to be able to draw graphs. But plot it out.