Solve the inequality for x:
x-1<2x+2<2x+1

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Which number completes the inequality? 2/3 < _ < 7/9