Olivia is making scarves. Each scarf will have 7 rectangles, and 5 7 of the rectangles will be purple. How many purple rectangles does she need for 2 scarves?

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?

Which function has the domain x> -11

What is the perimeter of a rectangle if the length is 5 and the width is x?