I need this answer!

Solve. 7/8 - 5/6 =

1/24

Step-by-step explanation: To subtract unlike fractions, our first step is to get a common denominator for those fractions.

The common denominator of 8 and 6 will be the

least common multiple of 8 and 6 which is 24.

To get a 24 in the denominator of 7/8, we

multiply top and bottom by 3 to get 21/24.

To get a 24 in the denominator of 5/6, we

multiply top and bottom by 4 to get 20/24.

So we have 21/24 - 20/24 which is 1/24.

idk u tell me

step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct