Answer:
1
Step-by-step explanation:
(-6,4) and (2,12)
slope = m = (y2 - y1) / (x2 - x1)
= 12 - 4 / 2 - (-6)
= 8/8
= 1
Ruby worked 22 hours
Isaac worked 16 hours
Svetlana worked 88 hours
53.8/4 =13.45
18-r
Difference is subtraction.
n= 5x each time
=