Find the standard deviation of the data set 10, 2, 38, 23, 38, 23, and 21. Round to two decimal places.

Select the correct answer from the drop-down menu. this graph represents the inequality x+2< 4,2x> 3,x+6< 12,2x> 12

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online