What percent of water must be evaporated from a 4% salt solution so that it becomes 6% salt solution? Round your answer to the nearest hundredth.

Factor the polynomial 8y^2 - 72 btw "^" means exponent

Which of the following three dimensional figures has a circle as it’s base

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?