Suppose z varies directly with x and inversely with the
square of y. If z = 18 when x = 6 and y = 3, what is z
when x = 7 and y = 10?

K = 27

z = 1.89

Step-by-step explanation:

Check attachment below

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}