Which expression is equivalent to 12n - 6x + 48 ? A. 6 (2n - x + 8 )
B. 6nx +48
C. 2(6n + x ) +48
D. 12n - 6 (x + 4)

A. 6 (2n - x +8)

Step-by-step explanation:

6(2n-x+8)

Step-by-step explanation:

If a number is in front of the bracket it means times everything on the inside by that number.

So you times everything by 6.

6×2n=12n

6×-x= -6x

6×8=48

Then you put it into an equation:

12n-6x+48

Hope this helps :)

3 ft

step-by-step explanation:

since the triangle is right use pythagoras' identity to solve for a

the square on the hypotenuse is equal to the sum of the squares on the other two sides, that is

a² + 8² = ( )²

a² + 64 = 73 ( subtract 64 from both sides )

a² = 9 ( take the square root of both sides )

a = = 3