We know that distance = rate(time). We need to solve for time here.

The car took 2 hours to travel 90 miles at a speed of 45 mi/hr
Answer: a) 6700 b) 2233
Step-by-step explanation:
a)

b)

Is there any answer choices or a picture??
Answer:
~ 639.75 cm^3
Step-by-step explanation:
see pic
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Edit: I did this with the assumption that 12 was the diameter, if it's the radius disregard this please</h2>