Solve by taking square roots.
x^2 + 175 = 0

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x = ± 5i

Step-by-step explanation:

x² + 175 = 0 ( subtract 175 from both sides )

x² = - 175 ( take square root of both sides )

x = ± = ± = ± ( × × = ± 5i

no because mercury has a density of 13.6 grams per centimeter squared while gold has 19.32 grams centimeter squared

step-by-step explanation:

step-by-step explanation:

for volume, add base x height x width