Which expression is equivalent to |a| < 3? 1. a ≥ -3 and a ≤ 3 2. a ≤ -3 and a ≥ 3 3. a ≥ -3 or a ≤ 3 4. a ≤ -3 or a ≥ 3 this question is worth 40 points. im struggling with this answer!

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics