1. Equations and Inequalities

Identify the real and imaginary parts of each complex number. $-4-9i$

Identify the real and imaginary parts of each complex number. $3+2i\sqrt3$

Write the complex number in standard form. $\frac{9+\sqrt{-16}}{3}$

Find the difference. Express your answer in standard form. $\left(2+8i\right)-\left(4-i\right)$