Eliana has a 20% discount coupon for an electronics store. she sees a new laptop that she wants to buy. after the 20% discount was applied, eliana paid $340 for the laptop. what was the original price of the laptop?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

What is the inverse of the function f(x) = 2x + 1?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss