In the concentric circles below, the smaller circle has a radius that is 2/3 of the radius of the larger circle. If the length of the chord
AB is 40 cm, what is the diameter of the smaller circle.

What is the sum of these mixed numbers 2 1/8 + 4 3/8

What is the radius of the cone in the diagram? round your answer to the nearest whole number

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points