Jenna is making a rectangular mosaic. She has 32 square mosaic tiles. Each tile is 1 inch by 1 inch. She wants to make the mosaic 8 inches long (or 8 tiles long). How wide can Jenna make her mosaic if she wants to use all of her tiles?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?