Two fair dice are rolled. what is the probability that both rolls will be a three?

3x + 4y = 5 x- 3y = -7 solve by substitution

The area of a circle is equal to 1 dm². find the radius of the circle.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?