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

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

How do you write 600 as a product of its prime factors (index! )

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x