The value of the expression C(6,3) is 20
<h3>How to evaluate the expression?</h3>
The expression is given as:
C(6, 3)
This means 6 combination 3.
And it can be written as:

Apply the combination formula

Evaluate the expression

Hence, the value of the expression C(6,3) is 20
Read more about combination at:
brainly.com/question/11732255
#SPJ1
What type of grade and what type of question is tht it looks weird
Answer:
D
Step-by-step explanation:
1 liter of petrol in London costs £1.029
Since 1 gallon consist of 3.7854 liters, the cost of 3.7854 liters is calculated as:
Cost of 1 gallon of petrol in London = 3.7854*1.029 =£3.8951766
Next, we convert the pounds (£) to dollar($)
Since the exchange rate is 1$ =£ 0.497
£3.8951766 in $ = £3.8951766/£ 0.497 = 7.837$
The price of London petrol in dollars ($) per gallon =$7.84 (Rounded to nearest cents)