Need some help with some questions:

1) What is the simplified form of:

2) Which fraction is equal to:

A.

B.

C.

D.

3) How many solutions are there for x if

4) Which equation has no simultaneous solution with:

A.

B.

C.

D.

5) Which one of these expressions is not rational?

A.

B.

C.

D.

Question 1) 7 root 2

Question 2 ) c

Question 3) ?

Question 4) A

Question ) D

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

hope this !