Use the comparison test to determine whether the series is convergent or divergent. 1/36+1/49+1/64

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.