Select the pair of terms that are NOT like terms. a) 3x2 , 3x3 b) -7xy, -9yx c) 8b, -0.5b d) -p2q2 , (pq)2

b), c), d)

Step-by-step explanation:

Like terms are terms that have same variables with same powers.

a)

have same variable with different powers.

So,   are not like terms.

b)

Power of in each of the terms = 1

Power of in each of the terms = 1

are terms that have same variables with same powers.

So, are like terms.

c)

Power of in each of the terms = 1

are terms that have same variable with same power.

So, are like terms.

d)

Power of in each of the terms = 1

Power of in each of the terms = 1

are terms that have same variables with same powers.

So,  are like terms

your answer would be 40

step-by-step explanation:

i believe

step-by-step explanation:

from my conclusion c