U're_ savage_gemini whats 919292+198918+0=?

Jessica is a custodian at oracle arena.she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate.at this rate how many sqaures meters can she wax per hour

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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.