A developer has a Batch Apex process, Batch_Account_Sales, that updates the sales amount for 10,000 Accounts on a nightly basis. The Batch Apex works as designed In the sandbox. However, the developer cannot get code coverage on the Batch Apex class.
The test class is below:

What is causing the code coverage problem?

If you have a method "doStuff(List<sObject> records)", which is a valid call?

<lightning: layout multipleRows="true"> <lightning: layoutItem size="12">{!v.account.Name} </flighting:
layoutitem> <lightning:layoutitem 3ize="12">{!v. account .AccountNumber} </lighting: layoutitem>
<lightning: layoutitem size="12">{!v.account. Industry} </lighting: layoutitem> </lightning: layout> Refer to the component code above. The information displays as expected (in three rows) on a mobile device.
However, the information is not displaying as desired (in a single row) on a desktop or tablet. Which option has the correct component changes to display correctly on desktops and tablets?

The head of recruiting at Universal Containers wants to provide all internal users the ability to search for open positions by role, department, and location via a new recruiting app, In addition to search, users of the app should be able to refer a fried, apply for a position, and review the status of their current submissions. The app should be made available in Salesforce Mobile, but offline access is not required.
Given these requirements, what is the recommended approach to developer the app?

A company needs to automatically delete sensitive information after seven years. This could delete almost a million records every day.
How can this be achieved?