Let z=38(cos(pi/8)+isin(pi/8)) and w=2(cos(pi/16)+isin(pi/16)) what is the product of zw?

Identify the graph of y = ln x + 1.

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?