The tax on an item is directly proportional to the price of the item. The total cost of a $4.80 item is $5.04. The equation that models this relationship, where cost is represented by y and the price of the item is represented by x is?

5x−4≥12 or 12x+5≤−4 can you with this problem

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Which of the following statements are true about the graph of f (x) = 1/4 coz ( x + π/3) - 1? select two of the following that apply.