Alexa is making a recipe that requires 1 cup of water and 4 cups of flour. Which of the following combinations shows the same ratio of water to flour?
2 cups of water to 4 cups of flour

2 cups of water to 3 cups of flour

2 cups of water to 8 cups of flour

3 cups of water to 6 cups of flour

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?