Asurvey of several 10 to 13 year olds recorded the following amounts spent on a trip to the mall: $28.64,$24.42,$19.35,$22.14construc t the 95% confidence interval for the average amount spent by 10 to 13 year olds on a trip to the mall. assume the population is approximately normal. step 1 of 4 : calculate the sample mean for the given sample data. round your answer to two decimal places.

5.25 ounces

step-by-step explanation:

divided 3/4 and 6

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.

step-by-step explanation:

idk what the heck he answer is, i’m just putting this here so i finish my account