What is the value of y, z,x​

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2