f(x) = 2(x+8)
replace f(x) with 12 and then solve for x:
12 = 2(x +8)
Use the distributive Property on the right side:
12 = 2x +16
Subtract 16 from each side:
-4 - 2x
Divide both sides by 2:
x = -4 / 2
x = -2
Answer:
B. 9, 9x, 18x
Step-by-step explanation:
The value in each box is the product of the row heading and column heading. You can find the missing column heading by dividing the box value (162) by the row heading (18).
12.5 meters is the width i think
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➷ When you multiply, you add the powers
Therefore, the answer is C. 
➶ Hope This Helps You!
➶ Good Luck (:
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Answer:
1) 3rd option-17,28,39,50
2) 17 and 11
3) 8 classes
Step-by-step explanation:
hope this helps