Answer:
A
Step-by-step explanation:
A because the mean absolute deviation of an eighth grade class is less than that of a seventh grade class. Also, the class size is larger on average for eighth graders (35>31).
Answer:
is awnser is 1
Step-by-step explanation:
Answer:4:5xn
Step-by-step explanation:
You can use any ratio just times 4:5 by any number then you'll get a ratio equivalent to 4:5
Answer:
r= -6
Step-by-step explanation:
first we move the terms
6r-7r = 13-7
-r= 6
and once we change the signs
r= -6
hope it helps pls mark me as brainliest