Fifteen times the square of a non-zero number is equal to 15 times the number

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

What is the probably of getting heads when poing a coin and getting a number greater than or equal to 5 when rolling a single diea) 1/6b) 1/3c) 1/4d) 1/12

Given abc find the values of x and y. in your final answer, include all of your calculations.