Pls answer 13 b ill mark u brainlist

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters