Adoctor told his patient to drink 3 full cups and 1/2 of a cup of medicine over a week. if each full cup was 4 1/2 pints, how much is he going to drink over the week?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Acircle has a circumference of 7.850 units. what is its radius?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.