Answer:
C
Step-by-step explanation:
Volume = Length times Width times height
Volume = 3 1/2 * 1 1/2 * 4
3 1/2 * 1 1/2 * 4 = 21
Hence, the answer is C
Step-by-step explanation:

The greatest common factor is 7 .
Answer:
339.292006π = 339.29π to 2 dp
Step-by-step explanation:
108 / 57.2957796 = 1.88495559 1.88495559×180°/π = 107.99999988° and 1.88495559×180° = 339.292006 π