The lengths of two sides of a triangle are 5 inches and 16 inches find the range of possible lengths for the third side

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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?

For the inequality |c| < |d| to be true, which of the following must be true?