NEED HELP ASAP Approximately how many cups of aquarium salt mix should David use for 30 gallons of purified water? Round your answer to the nearest cup.

16 cups
17 cups
17 cups
16 cups

Which of the following is the correct ratio for converting kilograms to grams

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided