X^(2) - (5 + ί) x + 8 + ί = 0

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

What is the ratio fraction form of 25: 9

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.