The mean weight of the packages Joan shipped was 2.5 pounds. If Joan mailed four packages and three of them had weights of 1.8, 3.2 and 2.7 pounds, then what did the other package weigh?

2.8

2.3

3.3

Simplify 154/22 * 121/4

Which expressions are polynomials? Select each correct answer. 9x^2 (y/5) 4x^2 (y^5) 8x^2 (3y) 3y^2 (x^1/4)

How is a net useful when finding the surface area of prisms and pyramids?

In a class of 24 students 5/6 are boys. How many boys are in the class?

There are 52 cards in a deck of cards that consists of four suits, each containing a king, a queen, and a jack. You are dealt a card from a newly shuffled deck of playing cards.

Write a set of three numbers that have a GCF of 16. What procedure did you use to find your answer?

A rectangular dance floor has a width of 12 meters and a length of 16 meters. What is the length of a diagonal of the dance floor?

Air containing 0.04% carbon dioxide is pumped into a room whose volume is 6000 ft3. The air is pumped in at a rate of 2000 ft3/min, and the circulated air is then pumped out at the same rate. If there is an initial concentration of 0.

Find the 110th term of the sequence - 7,3,13,23

Which number sentences show how to solve the problem? The bowling club donated 4 crates of orange juice for the neighborhood picnic. The soccer club donated 12 crates of mixed juices for the picnic. Each crate holds 32 juice boxes.