Which formula is used to calculate the standard deviation of sample data? X, - x
+
+
Sa
n-1
2.6***)**(--- (wa)
(*1–4) * +(X2–4) ? + +(*w+x)?
N
O
+
SE
n-1

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10