What is the Diameter of B?
With explanation.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Use the distance formula to find the distance between (-3,5) and (3,1)

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?