Answer:
b
Step-by-step explanation:
b
Two-fifths (

) of the square of the number j (j²)
j²
u would add 3 to 81 and get 84 than multiply it by 2 to get 168
Answer:
x² + 4x
Step-by-step explanation:
Divide the rectangle into a square with sides 'x' and a rectangle with sides 'x' and '4'
(x)(x) + (4)(x)
x² + 4x