Please help! I’ll give brainliest to whoever is right!

sample Y is 98%

sample Z is 95.8%

;)

brain;iest

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value