Answer:
20%
Step-by-step explanation:
8⁄40 = ⅕ = 20%
The Greatest Common Factor [GCF] is 8, both denominator and numerator by 8, to get ⅕, which is 20% [0,2 - twice to the right → 20% (attach the percentage symbol)].
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2nd and 4th are functions
an x value in a set of functions can only have one y value. however, a y value can have infinite amount of x values
in the 1st and 3rd set, the x value of -2 has 2 y values
1. A 2. A 3. A 4. A Kind of odd that they all turn out to A.