Which expression is equivalent to (1/4ab) ^-2? Assume a is not equal to 0, b is not equal to 0

a. - 1/16a^2b^2

b. a^2b^2/4

c. - 16a^2b^2

d. 16a^2b^2

How do you answer LM=1/2z+2 MN=3z+3/2 LN=5z+2 btw this is segment addition

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