Identify which lines are perpendicular.
4. y = 3x - 1; y = 3; x - 3y = 6; x = 6

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?