The measure of angle bac can be calculated using the equation sin−1[3.1/4.5] = x. what is the measure of angle bac? round the nearest whole degree.

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Don't know how to find x given these segment lengths