Roni wants to write an equation to represent a proportional relationship that has a constant of proportionality equal to7 /25. she writes the equation y=x + & /25. what error is roni making?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?