At a particular music store, cds are on sale at $11.00 for the first one purchased and $9.00 for each additional disc purchased. maria spends $65.00 on cds. how many cds has maria purchased?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

In the diagram of circle o, what is the measure of zabc?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =