A car increases, then decreases, its speed. Which table could represent the speed of the car?Which algebraic expressions are polynomials? Check all that apply

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.