Elli says 3 + (x + 1) is equivalent to (3 + x) + 1. Gabe says 3 + (x + 1) is equivalent to 3+ (1 + x).
Who is correct and what property did they use?

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Which value of y will make the inequality y< -1 false?

Express -5 2/5 as an improper fraction.