Are the length of a side of a square and the perimeter of the square related proportionally? why or why not?

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Dots sells a total of 279 t-shirts ($2) and shorts ($4). in april total sales were $670. how many t-shirts and shorts did dots sell?