To paint a sunset, tran makes a shade of orange paint using 5 drops of red paint for every 8 drops of yellow paint . if tran uses 15 drops of red paint, how many drops of yellow paint would he need?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?