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Step-by-step explanation:
Look at the photo below for the details.
Answer:
3 the rest of his classmate
X^2 = 16
x = 4
x = -4
good luck :)
Answer:
C
Step-by-step explanation:
A number is <em>n</em>, therefore you can start off with 32 and subtract 4 getting you 28. Subtract 4 and you get 24, and again 20.