Answer:
n^2
Step-by-step explanation:
' n ' is the number
n squared is n^2
9^2
9^2 = 9 x 9 = 81
No.............?
9/10 pounds
3/5 × 1 1/2
= 9/10
.8x = $70.40
x = 70.4/.8
x = $88
