Select all the expressions that have a greatest common factor (GCF) of 3xy^2 with 42xy^4.
A. 6x^2y^2
B. 15xy^2z
C. 27x^3y^2
D. 9xy^3
E. 21xy^2

The expressions that have a greatest common factor (GCF) of 3xy² with 42xy⁴ is 15xy²z

The Greatest Common Factor is the highest number that divides exactly into two or more numbers with zero remainder.

42xy⁴ = 2 * 3 * 7 * x * y * y * y * y

6x²y² = 2 * 3 * x * x * y * y

15xy²z = 3 * 5 * x * y * y * z

27x³y² = 3 * 7 * x * x * x * y * y

9xy³ = 3 * 3 * x * y * y * y

21xy² = 3 * 7 * x * y * y

The expressions that have a greatest common factor (GCF) of 3xy² with 42xy⁴ is 15xy²z

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B and C

Step-by-step explanation:

GCF is the highest common factor of two or more expression.

The GCF of

The GCF of

The GCF of

The GCF of

The GCF of

Therefore

have a GCF of

with

Option B and C are correct

7/2

(decimal: 3.5)

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step-by-step explanation: