Answer:
3384
Step-by-step explanation:
C) x = -19/10 because when solving it with substitution u get x=-19/10 & y=153/10
Answer: the mean is 25
Step-by-step explanation:
to find the mean you basically add all the numbers up and divide them by how many numbers there r. so 20+12+29+15+49= 125 and then you divide 125 by 5 because there are 5 numbers and you get 25