Which is equivalent to (4xy – 3z)2, and what type of special product is it?

16x2y2 + 9z2, the difference of squares
16x2y2 + 9z2, a perfect square trinomial
16x2y2 – 24xyz + 9z2, the difference of squares
16x2y2 – 24xyz + 9z2, a perfect square trinomial

Option D is correct

a perfect square trinomial

Step-by-step explanation:

Using a perfect square trinomial:

         ....[1]

Given the expression:

let a = 4xy and b = 3z

then;

Substitute in [1] we have

Simplify:

Therefore, the expression which is equivalent to is and type of special product is:  perfect square trinomial

i do not know this sorry : (

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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