There are 16 dolphins in a pod. Each pod has the same number of males and females. The female dolphins are swimming in pairs. How many pairs of female dolphins are there?

The annual snowfall in city A is 58.7 inches. This is 12.5 inches more than six times the snowfall in city B.

a builder finds some unlabeled dimensions on a blueprint, and no scale is shown. A 15-ft wall that has already been built measures 3 inches on the drawing. A new wall that has to be built measures 5 inches on the drawing.

Witch number produces a rational number when added to 0.5

What is 2,536 divided by 42

Write 30 : 84 as a ratio in simplest form

Combine like terms to simplify the expression: -7x + 3y - 2 + 6x - 1 - y2

Gloria is making bouquets with silk roses. She has 55 silk roses in her storage room. She plans to use 7 silk roses in each bouquet. How many bouquets can Gloria make? How many silk roses will she put back in the storage room?'

Give an example of a matrix which is its own inverse (that is, where A^-1 = A)

Which polynomial identity will prove that 64+27=91

In a certain elementary school, 52% of the students are girls. A sample of 65 students is drawn. Would it be unusual for more than 70% of them to be girls? Clearly explain your reason. (Note that your random variable is the sample proportion).