2.6 less than the product of 4 and a number z A. 2.6 - 4 - z
B. 2.6 - 4z
C. 4z - 2.6
D. 2.6 x 4z

If the measure of xyz is 81 what is the measure of yz

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x