Please help this is due in 5 minutes

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

Use this graph to find the cost of 6 show tickets

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?