What is the imaginary part of the following complex number -31?

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)