Answer:
34
Step-by-step explanation:
12(3)-2
36-2
34
11 liters of 25% orange juice, 4 liters of 10% orange juice:
1' let x to be 25% orange juice and y be 10% orange juice
2' .25x+.10y=(15).21
3' x+y=15
4' 2.5x+y=31.5 divide all sides by 10
5' -x-y=-15 multiply all sides by -1
6' 1.5x=16.5
7' x=11
8' y=15-11=4
so 11 and 4 are the answers.
5 lowercase, so
26 letters
any order, so I gues you can repeat
and 2 digits, 10 digits
so
26^5 times 10^2 or
1188137600 possible passwords