Answer:
a, d and e.
Step-by-step explanation:
A perfect square is one where the coefficient is a perfect square and the exponent is even.
So they are 25x^12, 36x^16 and 9x^8.
Answer: 4 r3
Step-by-step explanation:
I see no information provided, sorry:(
A.51
because 5x15=75, 8x3=24, 75-24=51