Answer:
1. n⁶
2. 9r²
3. a^-2 or 1/a²
4. b^-1/2 or (√b)^-1 or 1/(√b)
5. no. 5 isn't clear
<span> What we are going to do for this case is find the cost for each case:
Cost to run the car before the mechanic worked on it:
</span>
<span> Cost to run the car after the mechanic worked on it:
</span>
<span>
The difference between both cases is:
</span>
<span>
Answer: It cost to run the car after the mechanic worked on it 0.01 $ / mile less than before the mechanic worked on it.</span>
Put the numbers in order from smallest to largest:
21,34,45,53,71,88
Since there are an even amount of numbers you must take the middle two and find the average(add them together then divide by 2)
45+53=98
98/2=49
Answer:(x+1)/x=6,then x=1/5 or 0.2
Step-by-step explanation: