PLEASEEE HELP
Which equation represents the black line?
Which equation represents the red line?
Explain a mathematical way to find the intersection of the lines without actually graphing the lines.

Which of the following properties can be used to show

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?