If n is a positive integer, then lim n→∞ 1/n[(1/n)^2+(2/n)^2+...+((n-1)/n)^2 ] can be expressed as...

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?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x