Answer this i will give big points whoever answers this today

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

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?