Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 452 Select three options.

At which value in the domain does f(x) =0?

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

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?