A group of three friends shared the cost of a voice recorder. if andy, barbara and donna each paid $12,$30 and $18, respectively, then Donna paid what percent of the voice recorder?

Which conditional statement has the same truth value as its converse

Are Triangles really real?

Factor 56n^4+64n^3+70n^2+80n

How can we quickly order data and, at the same time, reveal the distribution shape?

A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams.

Ali has $4.90 in his pocket, all in change. He has an equal number of quarters and dimes. How many does Ali have of each?

If Allison practices her violin 12 hours a week and practices three fourths of an hour each day and has already practiced 3 hours how many mor lessons does she have to got to to complete the 12 hours

Estimate the mixed number 20by rounding to the nearest whole number or one-half. 20 3/20 estimates to ...

What is x1/2 * x1/3 =

Adam drew two samw size rectangles and divide them into the same number of equal parts. He shaded 1/3 of one rectangle an 1/4 of the other rectangle. What is the west number of parts into which both rectángles could one divided