Answer:
3n+7=16
Step-by-step explanation:
3(3)+7=16
9+7=16
16=16
The second one is wrong(x=18)
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Answer:
It is 270, 810 and 2430
Step-by-step explanation:
10 x 3 = 30
30 x 3 = 90
90 x 3 = 270
270 x 3 = 810
810 x 3 = 2430
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Answer:
Step-by-step explanation:
The answer is b trust me
Answer:
18:81 12:54
Step-by-step explanation: