It would be 21 as a percent and 0.21 as a decimal
D=t/3
12=t/3
×3 ×3
___________
36=t
So the answer is D.) 36 kilometers
-15+7=-8
Adding numbers with different signs makes it subtraction and the answer will have the sign of the bigger number
Answer:
12
Step-by-step explanation:
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Ashes2049, are you good at geometry?