Use the fact that the length of an arc intercepted by an angle is proportional to the radius to find the arc length given the circle area a = 25π cm2 and θ = π4.

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

Prove that 16^4-2^13-4^5 is divisible by 11.

How many 2/5s are in 1 and 1/2 plz someone me right now