Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

(21 . 7 . 3)x.

Step-by-step explanation:

That would be (21 . 7 . 3)x.

The associative property allows us to multiply regardless of how the numbers/variables are grouped. We can put the parentheses anywhere.

21/58.

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the rocket cannot penetrate the ground, in a contextual sense, therefore the roots of this equation should be the domain of this function. i'll let you find the roots of this quadratic equation (hint: use the quadratic formula:  

1- c

2-a

step-by-step explanation:

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