Sam chose number he then multiplied his number by 2 and added 7 his resluts was 23 what was his oringinal number

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

What are the domain and range of f(x)= -log5(x+2)

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :