Elements in group 18 are very unreactive. They are said to be "inert". We call these the

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

Can someone me with the property questions for 12 13 and 14 plz

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75