Maggie's brother is 3 years younger than twice her age. The sum of their ages is 12. How old is Maggie?
Maggie is
years old.

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Find the zeros of each function. f(x) = x^2 + 5x - 6