Answers:
Row one: 1 and 1
Row two: 1, 2, and 1
Row three: 1, 3, 3, and 1
Row four: 1, 4, 6, 4, and 1
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Explanation:
Each value can be found in Pascal's triangle. You can also use the nCr combination formula to get each value. The nCr formula is

The value of n represents the row number. The r value is the column number, so to speak, for each row.
Answer:
Every 8 minutes, 4 pictures are taken.
Step-by-step explanation:
just trust me
Answer:
The watch is cheaper in Geneva, Switzerland by a value of £20
Step-by-step explanation:
To get the city in which the watch is cheaper, what we need to do is to express the price of the watch in the same currency.
Since pounds is also used in the b part of the question, it would be easier working with it.
In Geneva, the price of the watch is 193.75 CHF
from our conversion formula;
£1 = 1.55 CHF
£x = 193.75 CHF
We cross multiply to get the value of x
(193.75 * 1)/1.55
= 193.75/1.55 = £125
We can see that the watch costs less in Geneva and higher in Manchester
By how much is it cheaper?
We can calculate this by subtracting the value in Geneva from the value in Manchester
That would be 145-125 = £20 cheaper
Answer:
here
Step-by-step explanation:
1 = B
4-(-3) that 3 is turned into a positive number
2 is b same reason