Answer:
54 -3n²
Step-by-step explanation:
The square of a number (n) is represented by n². Three times that value is represented by 3n².
The relation "a is subtracted from b" is represented as ...
b - a
When 3n² is subtracted from 54, the appropriate representation is ...
nnn
18 . 75
1.50's half is 0.75 , Then multiply £1.50 × £25
1370
50 :D
Step-by-step explanation:20.00