Use a number line to find the value of the expression - 4 + 4 - 9

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap