Mia bought a poster that was discounted $5 from an original price of $20. which equation models how mia can find the percent of discount?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Click the arrows to advance or review slides. mapping carbohydrates to food carbohydrates (grams) 15 food (quantity) bread (1 slice) pasta (1/3 cup) apple (1 medium) mashed potatoes (1/2 cup) broccoli (1/2 cup) carrots (1/2 cup) milk (1 cup) yogurt (6 oz.) 12 12 is jennifer's relation a function? yes no f 1 of 2 → jennifer figure out the difference between a function and a relation by answering the questions about her food choices

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?