1)
3)
let's recall that the conjugate of any pair a + b is simply the same pair with a different sign, namely a - b and the reverse is also true, let's also recall that i² = -1.
Frank hikes 2.25 miles in 1/2 an hour. What is his rate in miles per hour?
1 answer:
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Interpreted: 
Let
(Interchange the x and y-values)
(Solve for y)
Let