Which of the following expressions are equivalent to the expression 4x + 8?

choose all the expressions that are equivalent.

6x+8−2x

4(x+2)

4x+2

2(2x+8)

4(x+8)

3x+9+x−1

2(2x+4)

6x+8−2x  

4(x+2)  

3x+9+x−1  

2(2x+4)

Step-by-step explanation:

For an expression to be equivalent it must simplify to 4x + 8.

6x+8−2x   = 4x + 8 YES

4(x+2)  = 4x + 8 YES

4x+2  = 4x + 2 NO

2(2x+8)  = 4x + 16 NO

4(x+8)  = 4x + 32 NO

3x+9+x−1  = 4x + 8 YES

2(2x+4)  = 4x + 8 YES

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

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step-by-step explanation: