3/2 inches of snow fell in 3/4 of an hour. Which two statements are correct?

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

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

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.