What one is the biggest 7/11, 9/11, 20/11, 8/11, 2/11

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?