Answer:
A lurking variable is a variable that has an important effect on the relationship among the variables in the study, but is not one of the explanatory variables studied. Two variables are confounded when their effects on a response variable cannot be distinguished from each other.
When you round it up you'll find 548
Difference-of-Squares Formula:
For a difference of squares a2 – b2, the factorization is:
(a – b)(a + b)
Answer:
43.5=67.5
Step-by-step explanation:
19.5+24=43.5
43.5+7.5=51
=
19.5+24= 43.5
43.5+24=67.5
<span>D.) Standards often wind up discouraging the exchange of goods in the economy.
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