Is (x - 4) factor of f(x) = x ^ 3 - 2x ^ 2 + 5x + 1 ^ 2 ? Use either the remainder theorem or the factor theorem to explain your reasoning

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?

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

9/10 divide by -3/15 as a mixed number