Use the distributive property to create an equivalent expression of 9(6j + 2 + j) fast

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

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?