2) Using Grouping, which choice shows the correct splitting of the middle terms?
x² - 7x - 18
Option 1: x? - 2x + 9x - 18
Option 2: x²+2x– 9x- 18
Option 3: x² – 3x + 6x – 18
Option 4: x2 + 3x - 6x – 18

I’m really confused and need to learn this

If angle ase measures 168 degrees, find the measure of angle dse. the figure mag not be drawn to scale

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.