Will give brainiest to very first answer

l 18+7 l / 10 - l -16+26 l /6

answer choices are :

-25/6
-5/6
5/6
25/6

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula,equation,to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?