Rewrite the following improper fraction as a decimal 15/2

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew