Decrease 60 by 20 what is the answer

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1