The answer is D because you add all the data points values and divide by how many points you have. So in this situation when you add the data you get 135 and divide by the amount of data points you have which is 15. So you get 9
Answer:
2.99x + 12.99y = 43.92
Step-by-step explanation:
socks cost 2.99 and she bought x
2.99x
blouses cost 12.99 and she bought y
12.99y
The total is
2.99x + 12.99y
The total cost was 43.92
2.99x + 12.99y = 43.92
15/40=.375
.375×100= 37.5
15 is 37.5% of 40
The linear slope of x1x2 y1y2 came out as 9