Joan invests $800 at 12.5% per anum compound intrest compounded daily. what is the amount of intrest at the end of first year?

Z4=289 there should be 4 answers total 2 whole numbers and either 2square root or imaginary number answers

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards

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.)