I need help figuring out the answers to these kinda poorly worded questions

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Explanation:

Let x be the unknown positive integer.

The square roots of x are and , representing the positive and negative square roots respectively.

Taking the difference of those means we subtract:

Set that equal to 40 and solve for x

Therefore, the integer we're after is 400.

The positive square root of such is

And the negative square root is

The difference of which is:

(Positive Root) - (Negative Root) = 20-(-20) = 20+20 = 40

This helps confirm the answers.

351.23

step-by-step explanation: