One baker takes 150 minutes to bake a cake, it takes another 75 minutes to bake a cake. How long does it take both bakers working together, to bake a cake?

Which is an equation for the nth terms of the sequence 12,15,18,21

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?

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path