What is the principal square root of ?

5
25
50
125

here look

Step-by-step explanation:

The principal square root is the positive number square root. Unless otherwise stated, "the square root" of a number refers ONLY to the principal square root.

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

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how to award brainliest:

you must wait until 2 people answer to award brainliest. i'm pretty sure that it should be next to the "" and "comments" buttons.