Y varies inversely with the square of x. y is also proportional to the cube of z.
When x =
= 3, y = 80
When x
2,2= 5
Calculate y when z = 15.
Someone please help

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f