Carla bought a digital camera that cost $91.98. she also bought 2 identical memory cards and a camera case. the camera cost 6 times as much as the case. she paid $127.35, including sales tax of $6.06. what was the cost of each memory card?

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: