Answer: B
Step-by-step explanation: A rate is a ratio comparing quantities of different items. A unit rate is a rate with 1 in the denominator.
Would appreciate brainly <3
The top part equals 1 because anything to the power of zero equals one. then for the second one bring every variable with a negative exponent to the top and leave the 2 at the bottom
At around 20'000ft. and higher.
The answer is y=4/3. Hope this helps.