Answer:
(x + 9)(x4)
Step-by-step explanation:

So, the possible side
lengths of the quilt are (x + 9) and (x + 4) units.
Answer:
Step-by-step explanation:
Answer: 31.416
Step-by-step explanation:
Answer:
c.They rank-order the units of analysis in terms of specific variables
Step-by-step explanation:
An index is a way of compiling one score from a variety of questions or statement that represents a belief, feeling or attitude.
Scales on the other hand measure levels of intensity at a variable level like how much a person agrees or disagrees with a particular statement.
The one thing common to both indexes and scales is that
They rank-order the units of analysis in terms of specific variables.
Midsegment = 1/2(base1 + base2)
EF = 1/2(AB + CD)
EF = 1/2(20 + 12)
EF = 1/2(32)
EF = 16
Answer
EF = 16