In a state lottery, 28 balls are numbered 1-28. Eight of them are randomly selected without replacement. To win, you only need to match the eight numbers drawn. Calculate the probability of winning this lottery if you purchase one ticket.

A retirement community has a sign at its main entrance that says "Residents over the age of 55 welcome." Which of the following inequalities best represents the age of residents welcome in the retirement community? z > 55 z < 55 z ≥ 55 z ≤ 55

In a classroom, the students are set up in the arrangement shown in the table. How many students are sitting at the 4 tables?

The measure of an angle is fourteen times the measure of a complementary angle. What is the measure of each angle? ° and °

What is 45/117 as a simplified fraction

Paint is red : blue in a ratio of 2 : 4. If 5 litres of red is used how much blue is used

Cameron flips two coins and then spins the spinner below. What is the probability of having two different outcomes on the coins and spinning an odd number

What is ratio of 28 red pens and 84 black pens

What is an estimate of the equation 6n+3=2? Use a table

Greatest common factor of 42 and 28

West palm beach, florida, gets rain about 16 percent of the time. on how many days out of 400 can residents of west palm beach predict they will get rain?