The tail on alex‘s dog is 5 1/4 inches long this link is between which 2 inch marks on a ruler

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

How do you use the elimination method for this question? explain, because i really want to understand!