The line plot below shows the lengths of all the pieces of string emma used for an art project .she cut all these pieces from one original piece of string ?

option d) 6

Step-by-step explanation:

In order to find the original length of string adding the leftover piece of string with the pieces of string she cut:

Length= 1 + (1/8) + 4(2/4) + (5/8) + 2(3/4) + (7/8)

           = 1 + (1/8) + (2) + (5/8) + (3/2) + (7/8)

          = 1+2+ (3/2) + (13/8)

          = 3+ (3/2) + (13/8)

          = (24+12+13)/8

          = 49/8

          =6 !

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

a

step-by-step explanation: