1/cota(1-cota) +1/tana(1-tana)=1=seca. coseca

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Which strategy is used by public health to reduce the incidence of food poisoning?