The library has 27 chairs and 5 tables. If the same number of chairs is placed at each tables, how many chairs can be placed each table? Will there be any extra chairs? If so, how many?

1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5

Identify the graph of y = ln x + 1.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )