A circle with circumference 6 has an arc with a 60° central angle.
What is the length of the arc?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.