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➷ Just substitute 3 in:
2(3)^2 = 18
It would be 18
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Answer:
mean= sum of the terms/ (over) number of terms
32+n=105
32-32+n=105-32
n=73
Y=6.75x
He charges $6.75 per hour
-6+ -6- -2
Adding a negative is the same as subtracting a positive.
-6 - 6 - -2
Subtracting a negative is the same as adding a positive.
-6 - 6 + 2
Subtracting a number from a negative number is like adding the positive numbers, just remember to put the negative sign in front of the number.
-12 + 2
Adding a positive number to a negative number is like subtracting a positive from another positive, but don't forget the negative sign when you're done.
-12 +2 = -10
