1. The distance in feet that Karina swims in a race is represented by 4d-4, where d is the distance for each lap. What is an expression equivalent to 4d-4?

2. Use the Associative Property to write an expression equivalent to (w+9)+3.

Srry for being a pain. Thanks!

1 The distance in feet that Karina swims in a race is represented by 4d4 where d is the distance for each lap What is an expression equivalent to 4d4 2 Use the class=
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