Answer
-3
+
+16=0
Step-by-step explanation:
Answer:
right triangle
Step-by-step explanation:has a right angle
It will take them a total of 3.07 hours.
Answer:

Step-by-step explanation:
The applicable rules of exponents are ...

Your ratio simplifies to ...

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Please note that simplifying the constants, -8/10 to -4/5, eliminates half the answer choices. Since exponents are only multiplied when a power is raised to a power, you can pretty much eliminate the second choice as being unreasonable. ((a^b)^c = a^(bc))