Find the minimum value of

C = x + 3y

Subject to the following constraints:

9x + 2y > 35

x + 3y > 14

x > 0

y > 0

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

Dsolubility let me know if you have any other questions for chemistry

Ci hope  it  you