If BCDE is an isosceles trapezoid, BD = 8x - 27 and EC = 2x + 33 , find BD.

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

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?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?