Find the values of x and y

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

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

The quotient of 15 and a number is 1 over 3 written as an equation