Can you help me with these exercises 1. z1=cos*pi/8+i*sin*pi/8;
z2=1+i √3
(z1*z2)^8=?
2.Solve in C ecuation z^4+81=0
3.Solve ecuation x^3-4x^2+x+6=0

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.