What value of c makes x2 + 6x + c a perfect square trinomial?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

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

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?