Is the relationship between gross box office sales and home video units significant? How can you tell? Do you think the linear model is the best fit for the relationship? Why or why not?

6n^2-7n-75=0 solve by quadratic formula

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2