OF 18 possible books, you plan to take 8 with you on vacation How many different collections of 8 books can you take? You can take
different collections of 8 books on vacation with you

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

How do i do this activity, is appreciated

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?