What the measure of angle BDC is

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.