Answer:
15,240,960 serial numbers
Step-by-step explanation:
Since no repeats are allowed and the order matters, the number of possible serial numbers is given by the product of the permutation of 4 out of 9 letters by the permutation of 4 out of 10 numbers:

There are 15,240,960 ways to generate a serial number.
Answer:
x = 115.5
Step-by-step explanation:
The measure of the chord- chord angle x is half the sum of the arcs intercepted by the angle and it's vertical angle, that is
x =
(152 + 79) = 0.5 × 231 = 115.5
I think ur question is.. If you are making a certain amount u need 2 1/4 flour.. and u need to make half more than that isn't it?
2 1/4= 2.25
Take half of 2. 25= 1.115
Now add 2.25+1.115=3.365
That means you should take 3 cup and a little more than 1/4 cup of flour..

I'm pretty sure it is 0.125 I just divided .25 by 2 hope I helped