Joe weighs 20 lbs. less than three times Jeff's weight. If Jeff would gain 10 lbs., then together they would weight 250lbs. How much does each weight?

Scores on an english test are normally distributed with a mean of 31.5 and a standard deviation of 7.3. find the score that separates the top 59% from the bottom 41%.

Work out the volume of a cube of edge 4m

Which of the following is a set of 3 prime numbers 713 253 657 339

Domain {0,1,3,5,6} Range {-20,-16,-8,0,4

Rolls are being prepared to go to the grocery stores divide 72 rolls into two groups so the ratio is 3 to 5

How many ways are there to partition a group of 16 people into: (a) a group of ten people, a group of four people, and a group of two people. (b) a group of ten people and two groups of three people. (this is a little tricky) ?

A type of cell reproduces by splitting itself in half. One cell becomes 2 cells, 2 cells become 4 cells, and 4 cells become 8 cells. What type of sequence does the number of cells represent, and why?

Ayuma's salary is $68,520 annually. How much does he get paid bi-weekly?

What is 29--√? Place a dot on the number line at the best approximation. a number line that goes from 2 to 6 with 11 segments each increase

Are all of the vertical slices of a rectangular pyramid the same kind of shape?