How many expressions can you find using and that have a value of 12 a=6 b=4 c=-2

Step-by-step explanation:

Some of the expressions that can be derived that have the values of 12 are:

i. 2a = 2 x 6

      = 12

ii. 3b = 3 x 4

        = 12

iii. (b  + c) x a = (4 - 2) x 6

                = 2 x 6

                = 12

iv. 2b + = (2 x 4) + (-2 x -2)

                = 8 + 4

                = 12

v. -   = (4 x 4) - (-2 x -2)

             = 16 - 4

             = 12

vi. - b = (-2 x -2 x -2 x -2) + 4

             = 16 - 4

             = 12

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step-by-step explanation:

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3