Which of the following statement about the point (5,3 and ( 5,-3) is true?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

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