I need help with Geometry

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Step-by-step explanation:

Using the distributive property...you can multiply and add your way to an answer.

6.8(6.7 - 7.2) - 2(4.6 + 1.2)                      (use distributive property)
6.8(6.7) + 6.8(-7.2) - 2(4.6) - 2(1.2)            (multiply)
45.56 - 48.96 - 9.2 - 2.4                        (add)
- 15                                                         (answer)