Which sentence represents the correct use of a semicolon?

Which sentence is most grammatically accurate?

Which word is spelled correctly?

Because Company A had _____ money to spend on R&D, it had _____ researchers than Company B.

An executive summary is:

If we don't deliver on time, we may ______ the account.

Which sentence represents the correct use of a semicolon?

In IT, what does PM commonly stand for?

What is a memo?

'I want you to go to the store, after the movies, and get one onion for dinner on Sunday.' According to this sentence, what should be the first thing done?

“The best way to contact your supervisor during business hours (EST) is by email, but after business hours (EST) is on his mobile phone. Please don’t use his home phone for work calls unless it’s an emergency.” According to this sentence, how should you reach your supervisor at 10 a.m. (EST) on Tuesday?