You have 20 shirts in your closet. 4 blue, 7 red, 3 green and 6 black. You pick one without looking. What is the probability that you pick a blue or black shirt?

Give the digits in the hundreds place and the tens place. 1,392

Jay bought a cell phone that was originally sold for $126. It was on sale for 33 1/3% off the original price. How much did he pay for the phone?

Find the amplitude and the period of y=-4cos 3x.

Consider that an = 4n-1 represents a sequence. What is the tenth term?

16 people and 4 took away how many people are left

Henrietta has 5 hours to complete her 4 chores. How many hours does she have to do each chore? Choose the correct answer from the choices below. 3⁄4 hours per chore 2 hours per chore 1 1⁄4 hours per chore 1 3⁄4 hours per chore 1 hour per chore

How can you find a fraction between the fractions 14/20 and 15/20

Discriminants of b^2+5b-24

Lamont designs a survey of town residents in an attempt to predict who will be elected mayor. He chooses his sample of 500 people from the town's 40,000 residents by asking his question to every person leaving the public library on a Saturday.

The product of 7 and m