M+(5n)(9-p)-6-r^2m+(5n)(9−p)−6−r
2
m, plus, left parenthesis, 5, n, right parenthesis, left parenthesis, 9, minus, p, right parenthesis, minus, 6, minus, r, squared
choose 2 answers

(choice a)
a
the coefficient of the term mmm is 000.

(choice b)
b
the expression (5n)(9-p)(5n)(9−p)left parenthesis, 5, n, right parenthesis, left parenthesis, 9, minus, p, right parenthesis is the product.

(choice c)
c
the expression 5n5n5, n is a difference between a coefficient and a variable.

(choice d)
d
the expression 9-p9−p9, minus, p has exactly 222 terms.