How many ounces of a 30% alcohol solution and a 39% alcohol solution must be combined to obtain 45 ounces of a 38% solution?

The answer to that is 6

Where is the table?

Idon’t know but you’ll figure it out

(m+11n)^2=(m+11n)(m+11n)=m^2+11mn+11mn+121n^2=m^2+22mn×121n^2 for example; use foil: (a+b)(a+b)first. a^2outside. abinside. ablast. b^2