What is the standard deviation of the following data? if necessary, round your answer to two decimal places. 48, 65, 57, 54, 61, 57, 52, 61, 57 8.45 4.84 9.12 9.3

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?