A16 inch piece of string is 40.64 centimeters. to the nearest 0.01 a centimeter, how long will a 42-inch piece of ribbon be?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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:

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)