Based on the results, what is the probability that any pizza sold was Hawaiian

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+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?

Graph the equationy= x+3[tex]y = x + 3[/tex]