Will give best ! need asap 3. what is the sum? (1 point) 7/3+(-3/8) 64/24 47/24 -4/5 -5/4 1. what is the simplified form of the following expression? 2x^2y + 3x^2 + 4y + 3x^2y + 2y (1 point) 5x^4y^2 + 3x^2 + 6y^2 8x^2y + 6y^2 5x^2y + 3x^2 + 6y 14x^2y 20. using the formula , where d is the distance in miles, r is the rate, and t is the time in hours, at which rate must you travel to cover 227.5 miles in 3.5 hours? (1 point) 65 mph 75 mph 85 mph 95 mph
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