It takes you 39 seconds to walk from the first (ground) floor of a building to the third floor. how long will it take you to walk from the first floor to the sixth floor (at the same pace, assuming all floors have the same height)

What is the range for 31,39,29,34,37,24,36,33,34,28

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: