Which expressions are equivalent to (13x+x−53x)−(−43x+2) ? Select all correct answers.
−2+x−2x
2−x
−2−x+2x
x−2

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.