4.6 :)
( 0.1 hundreds, 0.01 thousands, etc.)
Answer:

Step-by-step explanation:
Slope of a line passing through these two points is
.
Hope this helps.
Answer:
School A
Step-by-step explanation:
School A has a ratio of 18/225 = 2/25 staff to students
School B has a ratio of 23/322 = 2/28 = 1/14 staff to students
Assuming that a better ratio means more staff per students School A has a better ratio