Answer: car | truck
Explanation: The pipe (|) symbol used can be used in regular expression to simply imply OR. This means when used in between expression, can be used to search for all matches of the strings in which it stands in between. In the scenario above, If the pipe symbol is located in between the two strings, such as [ cars | trucks], the expression returns possible occurrence of the strings cars and trucks. It may also be used to locate and return the occurrences of more than 2 strings, such as; string1 | string2 | string3
Answer:

Explanation:
Given

Required
The product using distributive property
Express 16 as 10 + 6

Distributive property states that:

So, the expression becomes

Evaluate each product


Answer:
The answer is "Option a"
Explanation:
Range-based for loop performs a sequence for a loop. It's more accessible as the conventional loop, for example, all components in the array, running more than a range of possibilities. In the given question "option a" is correct because it follows the correct syntax and other choices were wrong, which can be described as follows:
- In option b, It's not correct, because in this code the range declaration is wrong.
- In option c, It is wrong, because in this code the datatype is missing.
- In option d, It is illegal syntax, that's why it is wrong.
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The most appropriate answer is C !! software os used for using hardware !!