13 and 14

Please help ASAP

Extra 100 points

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?