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? 4r − 3b
2r − 3b
4r + 3b
7rb

4r+3b

Step-by-step explanation:

4 red awarded = 4r

3 blue awarded = 3b

Score = 4r + 3b

good job you smart son of a gun you are smarter that einstein. 7

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!