In the given figure, ABCD is a cyclic quadrilateral and BC bisects ZDBE,
prove that ADC is an isosceles
triangle
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Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative

The best method for solving quadratic written in vertex form is