Melania was at the gym for 65 minutes on monday. of that time, she spent 23 minutes on the stationary bike. what percentage of her time was spent on the stationary bike?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the