I’m pretty sure it would be interquartile range, since range is the measure that measures variation within a data set.
This is an aritmetic series;
a=-10
d=-7--10
d=3
n= 7
Sum=

(2a+(n-1)d)
Sum=

sum=3.5(-20+18)
sum=3.5(-2)
sum=-7
Answer:
100 inches^3
Step-by-step explanation:
The volume of the back rectangle is
V = l*w*h
V = 8*5*1 = 40 inches ^3
The volume of the front rectangle is
V = 6*2*5 = 60 inches^3
Add the volumes
40+60 = 100 inches^3
Answer:

Step-by-step explanation:
The given expresion is

when we expand this expression we get;

Now let us analyze the options:
First:

This is equivalent to the given expresion.
Second:

Also equivalent
Third:

Also equivalent
Fourth:

Not equivalent