By how many times does the sample size have to be increased to decrease the margin of error by a factor of one fourth14?

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Find the values of y: 3y^3(y^2+ 2/3y)=0

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale