T - 11 + 15 = 26 What is the value of t?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

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