Answer:
18π mm
Step-by-step explanation:
C=2πr
d=2r, 18=2r, r=9
C=18π mm
Figure 1:
3 x 8 x 5 = 120cm³
Figure 2:
2 x 5 x 6 = 60cm³
Total Volume = 120 + 60 = 180cm³
Answer:
455 or 680, depending
Step-by-step explanation:
If we assume the three choices are different, then there are ...
15C3 = 15·14·13/(3·2·1) = 35·13 = 455
ways to make the pizza.
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If two or three of the topping choices can be the same, then there are an additional ...
2(15C2) +15C1 = 2·105 +15 = 225
ways to make the pizza, for a total of ...
455 + 225 = 680
different types of pizza.
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There is a factor of 2 attached to the number of choices of 2 toppings, because you can have double anchovies and tomato, or double tomato and anchovies, for example, when your choice of two toppings is anchovies and tomato.
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nCk = n!/(k!(n-k)!)
The cost of 
pounds chocolate milk is $6.25 more than the cost of pounds of Caramel.
Step-by-step explanation:
Given,
Cost of one pound of Caramels = $10.28
Cost of pounds of Caramel = 
Cost of pounds = 
Cost of one pound of chocolate milk = $13.85
Cost of pounds = 
Cost of pounds = 
Difference = 24.24 - 17.99 = $6.25
The cost of pounds chocolate milk is $6.25 more than the cost of pounds of Caramel.
Keywords: difference, multiplication
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