Which dot plot has the largest range?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?