Answer:
228
Step-by-step explanation:
228 = 3 digits
2 + 2 + 8 = 12
228 = 2 different digits (2 and 8)
2 ≤ 2 < 8
Answer: 40
Step-by-step explanation: Do 18/.45 then to check your work you can do 40 times .45
Step-by-step explanation:
(39 + 33) - 94
39 + 33 = 72
94 - 72 =22
Answer:
x = -1 or 2
Step-by-step explanation:
Taking the antilog, you have the quadratic ...
x^2 -x -1 = 1
x^2 -x -2 = 0 . . . . subtract 1
(x -2)(x +1) = 0 . . . factor
The values of x that make these factors zero are the solutions to the equation.
x = 2 or x = -1
B, 6x -9. the rest either contain two many terms or use a different operation. hope this helps x