PLEASE HELPP! Let z=13+7i and w=3(cos(1.43)+isin(1.43)). a). Convert z to polar form. b). Calculate zw using De Moivre's theorem. c). Calculate z/w using De Moivre's theorem.

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.