Heather has 6 CDs that she is going to give away. She lets her best friend choose 2 of the 6 CDs. How many different groups of 2 CDs are possible?

Heather has 6 CDs that she is going to give away. She lets her best friend choose 2 of the 6 CDs. How many different groups of 2 CDs are possible?

If a tape roll has a diameter of 10cm and the tape is 0,1cm thick. How long is the tape roll?

The length of the longer leg of a right triangle is 20 inches more than twice the length of the shorter leg. The length of the hypotenuse is 22 inches more than twice the length of the shorter leg...

Help me please I have a quiz on this in 1 hour!!

y=-40t2+225t

Need help

Suppose you invest $150 at the end of each month for 6 years into an account earning 7% annual interest compounded monthly. After 6 years, you leave the money, without making additional deposits,...

You deposit $4000 at the beginning of each year into an account earning 8% interest compounded annually. How much will you have in the account in 30 years?

A jury has 12 jurors. A vote of at least 10 of 12 for "guilty" is necessary for a defendant to be convicted of a crime. Assume that each juror acts independently of the others and that the...

Of the 193 member countries of the United Nations, 54 are in the African Group and 23 are in the Eastern European Group. Suppose that a country is selected at random from the members of the United...

The marked prices of articles X and Y are 120$ and 150$ respectively. An increase of 12% is imposed on article X. Find the % decrease of article Y so that they are sold at the same price.

solve the equation for the solutions over the interval [0 degrees, 360 degrees) tan2x+8tanx+6=0 I am having trouble factoring and solving

How much money, invested at an interest rate of r % per year compounded continuously, will amount to A dollars after t years? (Round your answer to the nearest cent.) A = 300,000, r = 3.4, t =...

A man died and left his estate to his wife and two sons.If the wife receives 1/3 of the estate, and each son receives 1/2 of the remainder of the estate, what is the value of the estate if each...

The cost of a table is 320$. A trader marks the table so that he could make a sum of money 25% of the cost. On the actual sale, he gives a special discount of 100$. Find the amount of money he make...

1. Ricky is $250 in debt. He needs to get the debt down to no more than $100 within the next 8 months. If he pays the same amount each month, write and solve an inequality to determine how much money...

A jury has 12 jurors. A vote of at least 10 of 12 for "guilty" is necessary for a defendant to be convicted of a crime. Assume that each juror acts independently of the others and that the...

So I am in Pre-ap Algebra 1 in the 9th grade and I have been sitting here doing my homework working on this one problem and need lots of help on the x-factor puzzle solving. So the top number...

math math math math math math

solve the equation for the solutions over the interval [0 degrees, 360 degrees) 6sec2xtanx=12tanx I am unsure of where to begin.