Which answer choice correctly represents an algebraic expression for the sum of 15 and a number? PLS HELP​

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

What rotation was applied to triangle def to create d’e’f’?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before