exam Maths Puzzle Numerical Ability

Question #1: Simplify: (2 root3 -4)squared

#2: Solve and check: root y+2 =4-y

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exam Other Question

3(x-2)+2=2(x-4)

-7x=-26+6x

7x+3>9x-5

I=Prt solve for r

This is from Beginning Algebra by John Tobey, Jeffrey Slater
6th edition Please hlep with this problem.
if x represents his original number of rabbits, then
1/2x -2=1/3(x-2)

please and thank you for any help