On a triangle, the vector from one vertex to another vertex is 〈-12,5〉. what is the length of the side?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x