Lily likes beth but finds her to be disingenuous at times

If (a, b) is the solution to the system of equations shown above, and a and b are integers, then what is the value of a+b?

Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use