The given process is an example of a cluster system.
<h3>What is the cluster system?</h3>
The clustered systems are a combination of hardware clusters and software clusters.
The hardware clusters help in sharing of high-performance disks between the systems.
The software clusters makes all the systems work together.
Each node in the clustered systems contains the cluster software.
A cluster refers to a group of inter-connected computers where it works together to support applications and middleware (e.g. databases).
In a cluster, each & every computer is known to be a “node”.
To know more about the cluster system click the link given below.
brainly.com/question/4804019
<span>#include <iostream>
using namespace std;
class InventoryTag {
public:
InventoryTag();
int getQuantityRemaining() const;
void addInventory(int numItems);
private:
int quantityRemaining;
};
InventoryTag::InventoryTag() {
quantityRemaining = 0;
}
int InventoryTag::getQuantityRemaining() const {
return quantityRemaining;
}
void InventoryTag::addInventory(int numItems) {
if (numItems > 10) {
quantityRemaining = quantityRemaining + numItems;
}
}
int main() {
InventoryTag redSweater;
int sweaterShipment = 0;
int sweaterInventoryBefore = 0;
sweaterInventoryBefore = redSweater.getQuantityRemaining();
sweaterShipment = 25;
cout << "Beginning tests." << endl;
// FIXME add unit test for addInventory
/* Your solution goes here */
cout << "Tests complete." << endl;
return 0;
}</span>
2(x+2) = 60
x+2 = 30
x = 28
The correct answer is C
<u>Answer:</u>
355 senior citizen tickets were sold.
<u>Step-by-step explanation:</u>
Assuming a to the the ticket of adults and s to be the ticket of senior citizens, we can write two equations as:
--- (1)
--- (2)
From equation 1, 
.
Substitute 
in equation 2 to get:
Therefore, there were 355 senior citizen tickets sold.
