Carlos is adding the mixed numbers 1 1/5 and 2 1/8 by changing each number into an improper fraction. Which pair of improper fractions should Carlos use?

Given the following expressions: A. 53 • 5-4 B. C. • D. Part 1: Use operations of exponents to simplify each expression (A-D). Include your work in your final answer.

The butler, the maid, or the cook stole the gold. The butler said the maid took it. The maid said the butler is telling the truth. The cook said he did not take it. At least one of the three told the truth and at least one told a lie.

If the diameter of the circle above is 20 mm, what is the area of the circle? A. 100 mm2 B. 400 mm2 C. 20 mm2 D. 10 mm2

There are 9 performers who will present their comedy acts this weekend at a comedy club. One of the performers insists on being the last stand-up comic of the evening.

What are all the common factors of 2464 and 88

Sam has three identical tennis balls with a diameter of 2.7 inches. Determine the volume of all three tennis balls?

The base of a Mary-go-round spans an area of about 153.86 square meters. How long is the diameter

What number is 70% of 60? (Use only whole numbers)

What's the greatest common factor between 18 and 100

Factor: 12x^5 + 6x^2 - 18