Simplify:
3 [23 + (4 – 2)3 – (6 - 2)2]
O A. 3
OB. 12
Oc. o
OD 24
O E. -3

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.