Lydia would also like to compete in the same speed texting competition as James. She currently texts at a rate of 4 characters per second, but will only have 10 months to practice before the competition

Can any one me with the answers to these questions asap?

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:

Common binomial factor of 6x(3x+7)+5(3x+7)