Keith is thirteen years older than nephew William. In four years Keith will be twice as old as William. How old is William now?

The 40,595 residents of a city earned a total of $1,730,849,015 in 2005. What was the per capita income, in dollars per person, for 2005?

You ask your best friend to lend you 200 to buy your favourite toy. She says she can lend you the money only if you give her an extra 2 for every month that passes before you return it.

F (x, y) = 4x^2y^3-square root 2x+5y in the direction of = -1,4

A pump can pump 1000 gallons of water in 4 hours. How long would it take the pipe to fill a 2500 gallon pool?

Jane buys an apple for 0.75 and pays with a 5.00 bill. How much change will she get

Is the function in the table linear or nonlinear and why? x y 0,-100 and 1,-50 and 2,0 and 3,100 and 4,150. (A) The function is not linear because there are negative values in the y values.

The median size of a new house grew from 1780ft in 1997 to 2223ft in 2008. What is the percent of increase?

Can sombody tell me what is 10=-2c+22

What is the equivalent expression for a+a+a

What does the ratio of water and flour 10:4.5 mean?