Atriangle cannot exist if a< 90 and a 90 and a< b true or false

For each proportion find the unknown number x 1/5/8=×/15

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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: