# Math

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21. Find the square root ±√121
Is it 11?

28. Use the distributive property to simplify x(4x^2+x+4)

38. 4/5 + 2/10
Is it 3/5 ?

• Math -

21. Find the square root ±√121
Is it 11?

yes, 11^2 = 121

28. Use the distributive property to simplify x(4x^2+x+4)

4 x^3 + 4 x^2 + 4 x

38. 4/5 + 2/10
Is it 3/5 ?

No 4/5 + 1/5 = 5/5 = 1

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