99 pts

rational expressions

((show your work))

12. (12x^4+9x-10x^2) ÷3x^3

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

(x-5)1/2+5=2 what is a possible solution?