Math
posted by Samantha♥ on .
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 ?

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