∠a and ∠b are vertical angles with m∠a=x and m∠b=3x−60 . what is m∠a ? enter your answer in the box.

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

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.