Simplify the expression and write the result in standard form, a+bi.

6 - 8i / -2

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.