What is the next term in the sequence? 7, -21, 63, -189,

Reflect the point (7,0) across the y-axis

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

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)?