The interval level of measurement is a number scale that classifies both order and the value change between each number. For example, a ruler has intervals 1, 2, and 3 inches. The distance between 1 to 2 inches is the same as the distance between 3 to 4 inches.
1 and 2 are equations and 3 is a solution
Answer:
first one
Step-by-step explanation:
Anything that has 1 has x + is A positive number for any purpose of the equation
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