What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

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

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?