A rectangular room is twice as long as it is wide, and it’s perimeter is 60 meters. Find the width

What is the slope of the line shown below?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Find the midpoint m of z1=(8+5i) and z2=(12+3i)