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:
1.25 pages per minute
Step-by-step explanation:
If Sydney read 50 pages at a constant rate in 40 minutes, then to get pages per minute just divide total pages by minutes
Let x be the number of days.
Daily pass:
65x + 30x
95x
Season pass:
400 + 30x
95x > 400 + 30x
65x > 400
x > 6.15
The number of days can't be 6.15, so you must round. You can't go down because then the price will be more expensive, so you have to round up.
It would take 7 days until the season pass is less expensive than the daily pass.
----------------------
You can check this by plugging in the x.
95x > 400 + 30x
95(7) > 400 + 30(7)
665 > 400 + 210
665 > 600
The daily pass is more expensive than the season pass.
Answer:
-1
Step-by-step explanation:
here is the answer
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Answer:
The length between the two points is RT = 1.3 units
Step-by-step explanation:
The coordinates of the point R and T are R(2,1.2) and T(2,2.5).
Now, by DISTANCE FORMULA:
The distance between two coordinates P and Q with coordinate P(a,b) and Q(c,d) is given as:

So, here the distance RT = 
or, RT = 1.3 units
Hence, the length between the two points is RT = 1.3 units