Can someone my on these 2 impossible math questions > .< jon and lexi are playing a marble game. according to their rules, 4 points are awarded for each red marble collected and 3 points are awarded for each blue marble collected. which expression represents jon's total score if he has r red marbles and b blue marbles? (1 point) 4r − 3b 2r − 3b 4r + 3b 7rb 8. (01.03) kevin plans to put concrete on a rectangular portion of his driveway. the portion is 10 feet long and 3 inches high. the price of concrete is $98 per cubic yard. the total cost of the concrete kevin needs is $72.59. which of the following is closest to the width of the portion of the driveway on which kevin plans to put concrete? [1 foot = 12 inches; 1 yard = 3 feet] (1 point) 3 feet 6 feet 8 feet 10 feet