How do you find the value of x for a supplementary angle when it's (4x +50) and the other angle is 150

If f(x)= 3x+6 which of the following is the inverse of f(x)

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

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: