Some businessmen and businesswoman were surveyed about their appointment calendars. Of the surveyed business people, 139 said they keep their business appointments on an electronic calendar, 56 keep their appointments on a paper calendar, and 23 keep both a paper calendar and an electronic calendar. Three respondents do not keep a calendar. A. How many business professionals were surveyed

the answer is 13 cm

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system

0lz try yourself sorry for not answering

add them

step-by-step explanation:

idk you did not give the options or numbers so you cant solve it