HELP PLSSS Given the relation below:
(5,9), (8, 14), (12, 18),(a, 22)
Write a value for "a" that makes the relation NOT a function.

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?