A farmer sells 7.9 kilograms of apples and pears at the farmer's market. 1
4
of this weight is apples, and the rest is pears. How many kilograms of pears did she sell at the farmer's market?

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

State one method by which you can recognize a perfect square trinomial.