Find the first three iterates of the function f(z) = z2 + c with a value of c = 1 + 2i and an initial value of z0 = 0.

Measures of the angle of r, 31 s (x+4) t (3x+9)

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.