Whitch of the given systems is equivalent to the given system? In math

Two systems of equations are equivalent if they have the same solution(s).

here is the

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part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.