Need help asap will do anything plz help fast

Draw a scaled copy of the circle using a scale factor of 2

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two