There are 25 students in mrs. Murphys math class, of these students 10 have brown hair, 8 have black hair, 5 have blonde hair, and 2 have red hair. what percentage of students in mrs. Murphys class have black hair?

Identify the sampling technique used for the following study. First, the population is subdivided by class. Then a quality assurance analyst uses a random number generator to select five members from each class to study.

12.) Last week on American Idol Nicki Minaj's hair was 6/34 in. longer than Keith Urban's hair. If Keith's hair is 10 16/25 in. long, how long is Nicki Minaj's hair?

A server brings 9 bread sticks to a table with 4 people. How many bread sticks each persons gets?

Find the exact value of sin (15°)

What is not true of the construction of an angle bisector

An 8 inch by 6 inch rectangle is the base of the rectangular prism below. What is the lateral area of the figure?

How doi find the zeros from a function and going to intercept form

38,022,479 - 4,513,258 =

Evan's car gets approximately 20 miles per gallon. How many feet can he drive with 1 pint of gas?

Percent error that is greater than 20% but less than 50%