Simplify the expression:
x+2/ x^2 -4 - (x - 2)

Three times the sum of a number and seven is negative thirty-six. what is the number?

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.

Which graph shows the solution set of x^2+4-12x/> 0