Find the coordinates of the intersection of the diagonals of the parallelogram with the vertices Q(−1, 3), R(5, 2), S(1,−2), and T(−5,−1). please help!

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?