To find out how many students voluteered, simply add the fractions:

Remember that 2/6=1/3, so the sum is actually

We can sum the first and last terms immediately:

And finally, we can change both fractions so that they have the same denominator:

E^2 = 14^2
e = +14 and e = -14
..................................
Answer:
If he worked 5 hours and his rate is $14/hr, then he earned a total of $70.He mailed 300 postcard, so each postcard mailed is $0.2333
Step-by-step explanation:
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Answer with explanation:
Using following law of indices



8. A number raised to a negative exponent is negative.
Explaining with the help of few examples

Option C: Sometimes
1.Option B
2.Option A
3.Option C
4.Option A
5.Option D
6. 
7.Option B
8.Option C
9.Option A
10.Option 
Answer:
15
Step-by-step explanation: