Answer:
Q1:






Q2:





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Q5:


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Multiply
on the numerator and denominator:


Answer:
(2a, 2b)
Step-by-step explanation:
(0, 2b)
(2a, 0)
(2a, 2b)
I racked my brain for that.
Answer:

Step-by-step explanation:
In order to find r we have to square both sides of the equation

The *square root* sign cancels out the *squared* sign therefore:

Y = 4 x - 9
y = - 3 x - 5
I hope this will help you
i looked this up and this is what i got