Find the value of the variable.

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Three coins are flipped. what is the probability that there will be at least two tails?

A+b= 17, ab=70, find the value of |a-b|