HELP PLEASE Given that PHT is a right triangle and hy is an altitude, what is the missing justification in the proof that (PH)^2 + (HT)^2 = (PT)^2 ?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)