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If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

What is the value of r of the geometric series?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?