What is the formula for the area A of a circle in terms if the radius r?

I don't understand what the question is asking

What is the mean of the set of numbers? {-11, 22, - 2, - 3} -1.5 -2.5 2.5 1.5

An experiment is performed where a card is chosen from a desk of playing cards

Events A and B are independent. Find the missing probability. P (B) = 9/20, P (A and B) = 9/100, P (A) = ? answer in decimal form rounded to one decimal place

A group of friends ordered 3 burgers and 3 medium fries for a total of $17.55. The price of a burger is. 75 more than two times the price of medium fries. What is the cost of one burger?

The number of students enrolled at a college is 18,000 and grows 6% each year. What is the initial amount for a?

How to simplify 3t (t-5) + 6t 2

Simplify each expression. Use the distributive property to remove any parentheses. - 7 (y+5)

What is the volume of this rectangular prism? 10/3 cm 4/5 cm 1/5 cm

Latisha earns $5 dollars an hour painting her neighbors fence create two variables PART:A determine which is dependent and which is independent PART:B list three ordered pairs to show the values of the two variables PART:C write an equation to

Between which two intergers 17 lie squared