Which of these triangle pairs can be mapped to each other using both a translation and a rotation about c

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?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?