When adding 51.2 to a certain number, the sum is 56.05, as seen below. what number should go in the box to complete the addition problem?

How do you answer this question? (step by step)

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

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?