An item is regularly priced at $30. It is on sale for 20% off the regular price. How much in dollars) is discounted from the regular price?

Ineed if you could explain and give me the answer you! this needs done

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f