exam Maths Puzzle Numerical Ability

A(n) _____________ is a variable that can be used to differentiate one group or population from another.
a. factor
b. level
c. observation
d. replicate

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exam Other Question

translate each into an equation:
if 9 is subtracted from the varible R,the difference is equal to the varible X divided by 5 can you please explain this to me step by step so i can try and understand this.

Assume that x, y , z and b are positive numbers and b does not equal 1. use the properties of l