What is the product of 4 – 11i and 6 + 2i?

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Ten times the square of a non-zero number is eqaul to ninety times the number

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).