CAn someone please answer this I’ll give brainliest

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Nine more than four times a number is the same as one less than twice the number. find the number?

If g^-1(x) is the inverse of g (x) which statement must be true