The mean age of 5 people in a room is 40 years.

A person enters the room.

The mean age is now 37.

What is the age of the person who entered the room?

melissa looks around at a school assembly. she notices her younger sister directly to her right and her older brother 12 meters directly ahead of her if melissa's brother and sister are 13 meters apart how far apart are melissa and her younger

The vertices of a rectangle are A (-4,-3) b (-4,-1) C (-1,-1) d (-1,-3) a. draw the rectangle and its reflection in the X-axis. b. draw the rectangles and its reflection in the y axis. c are the shapes in parts a and b the same size and shape

The probability of 6 beads which 3 are white and a randomly selected bead will be white

The price of computers has fallen by 2/5. If the price of a computer was originally $10,275 by much has the price fallen?

2x^2 - 5x + 4=0 what is the solution

robert wants to put lights around the edge of his deck. The deck is 43 feet long and 26 feet wide. How many yards of lights does he need?

If a computer costs $600.00 and the sales tax rate is 7.5 percent, what is the total cost of the computer?

What is 2/3 cup chopped nuts multiplied by 6?

Who is taller 180 cm or 5ft 8in.

Samantha's notebook has 14 pages more than three times as much as Lisa's notebook. If Samantha's notebook has 260 pages, how many pages are there in Lisa's notebook?