Answer:
n = 12, she has played 12 games
Step-by-step explanation:
40 = 16 + 2n
24 = 2n
24/2 = n
n = 12
805.98
671.65x.20=134.33
134.33+671.65=805.98
is it 8x
i'm not sure
a and b are relative on maxima interval x =-4,x=0