Answer:
See below
Step-by-step explanation:
I am not sure about number 22. I think that they are asking you to apply the same rules to the point (4, -7), if that is what they mean, the answer is (8,10)
i believe its (3,-5)
1 7/8
I think you need to times it like 2 1/2 x 3/4, first you make 2 1/2 into 5/2 then times it like this 5/2 x 3/4. the answer is 1 7/8
A
(x-4)^2 = x^2 -4x -4x + (-4)*(-4)
= x^2-8x+16 as required
