How do you find percents of data and probabilities of events associated with normal distributions?

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

16 more than the product of 5 and p

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4