What is 5.8x10^6 mg/a in grams per min

In the 30-60-90 triangle below side s has a length of and side r has a length

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.