Respuesta :

Nooo00
1: Diameter - 16 in.
    Radius - 8 in.
2: 37.68 in.
3: 20 yd.
4: 0.24 mi.
5: Both students are wrong because if you use the pi instead of its abbreviated form, then the answer is about 50.27 ft.
6: The circumference of a wheel is its diameter*pi.