195min/1.5 miles so 130 min / 1 mile or 2h 10min (2 1/6h)
Answer:
4n²+2n as a factorial is given as:

Step-by-step explanation:
We are given an expression which has to be converted into factorial form.
The expression is as follows:

Now we know that 2n+1 and 2n differs by '1' and the next smaller term is '2n-1'.
Hence, multiplying and dividing by '(2n-1)!'; we get:

we know that x(x-1)(x-2)! = x!, so:

Answer:
400-milligram aspirin
Step-by-step explanation:
200x2= 400
Answer:
25.38 pounds for three roll
Step-by-step explanation:
Find and then compare the unit prices:
9.21 pounds per roll
25.38 pounds for three rolls => 8.46 pounds per roll
42.85 pounds for five rolls => 8.57 pounds per roll
Conclusion: 25.38 pounds for three rolls corresponds to the lowest (cheapest) unit price and is thus the best buy.