The ages of five friends are 20,31,28,31 and 25. How many of the friends are older than the average (arithmetic mean) age?

What is this some of the prime factors of 105?

Shanti wrote the predicted values for a data set using the line of best fit y = 2.55x - 3.15. she computed two of the residual values. what are the values of a and b?

A total of 503 tickets were sold for the school play. they were either adult tickets or student tickets. there were 53 more student tickets sold than adult tickets. how many adult tickets were sold

To reduce wear and tear on the family vehicle, you decide to rent a car. Happy Harry's Rentals has a $500 fee for any rental up to eight days. Smilin' Sam's offers the same car for $200 plus $50 per day. Which deal is better?

3y=6-2x, 8x=3y-1 what is the solution to this problem

How many cents in dollar

You weigh 229 pounds and go on a diet losing 4 pounds per month. a. How long before you weigh 113 pounds? b. If you continue at this rate, what would you weigh at the end of your first year?

How do you find 4,0875+333,333+100%=?

2/3,0.6,-5/6,-6.6 least to greatest

One bottle of paint can cover 20 tiles. You have 348 tiles. How many bottles of paint do you need to cover 348 tiles