A number is divided by 2 and then added to 11. The result is 19. What is the original number?

How many zeros does the function f(x)=4x3-x2+1 have

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

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2