Answer:
B 120 different combinations
Step-by-step explanation:
There are 6 letters to choose from
Picking a letter for the first spot 6
Then there are 5 letters left
Picking a letter for the second spot 5
Then there are 4 letters left
Picking a letter for the second spot 4
6*5*4
= 120
S=saving
X=amount left
S-55=x
Another way : x=s-55
Step-by-step explanation:
x⁴(4x+1)
4x⁵+x⁴
degree is 5
Answer:
65/2
Step-by-step explanation:
3 1/4= 13/4
13/4(10)=65/2