Which is a better buy? 4 cans for $6 or 8 cans for $10? Explain.

If square root x = -7, then x= -49 true or false

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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: