Where should be located on a number line?

Sasha invests $1000 that earns 8% interest compounded annually. write a function that describes the value, v, of the investment after t years.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?