Can Someone plz help me i will mark brainliest

Approximately how many more job openings are expected for security guards than pharmacy technicians? a. 2,000 b. 11,100 c. 21,000 d. 32,000

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's