A high school principal randomly polls 50 freshmen, 50 sophomores, 50 juniors, and 50 seniors regarding policy changes for after-school activities. What type of sampling method is used?

Y=-3/4x+4 find it in slope intercept form

If each lap in a pool is 100 meters long, how many laps equal one mile? Round to the nearest tenth. (Hint: 1 foot ≈0.3048 meter)

If a 24 oz bottle of water cost $2.16 what is the cost per ounce

Consider the following sets A = {1,2,3,4} B = {5,6,7,8} C = {2,4,6,} D = {1,3,5} 2 A true or false

Does a kite and a rhombus have 4 congruent

Area is the number of cubic units needed to fill a space. True False

Which of the following statements must be true in order for the line represented by the equation y = mx + b to have a negative x-intercept? The signs of the values of m and b are the same. The value of m is positive while the value of b is negative.

Carlos operates a helicopter. Carlos decides to measure the rotational velocity of the helicopter blades. What would be an appropriate unit for Carlos's purpose?

A textbook in the college bookstore had an original price of $185.50. Since then the inflation rate has been 4%. Find the current price of the book. $189.50 $195.40 $192.92 $187.25

This lesson will discuss more theorems about the parts of a circle. True False