1. using the associative property of multiplication, which expression is equivalent to 6(4x)? a. 4(6x) b. (6*4) (x) c. 24x d. 4(6 + x) 2. use the associative property to identify which expression is equal to (10)(5x)(7). a. (7)(5x)(10) b. 10(5x + 7) c. (10*5)(x *7) d. (5x)(10)(7) what is missing for the following quantity to be true? 11 + (1 + 2) = + 1) + 2 a. 11 b. 1 c. 2 d. 3