In a housing estate the direct proportion of flats to houses is 2: 5. if their are 80 flats, how many houses are there?

Factor the polynomial by its greatest common monomial factor.

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 =

Use the given information to determine the exact trigonometric value.