a. 4 – commutative property
b. 5 – commutative property
c. 0 – identity property
d. 4 – associative property
_____
The commutative property lets you swap the order: (a) + (b) = (b) + (a).
The associative property lets you change the grouping: (a+b)+c = a+(b+c).
The identity property lets you add 0 without changing anything: (a) +0 = (a).
If we have one zero of +5i, we also have to have its conjugate which is -5i. Therefore, the factors that we will FOIL to get that polynomial are (x+5i)(x-5i). That distribution results in

. I'm sure by now you know that i squared is equal to -1, so -25(-1) = 25. So our polynomial is
X=30
-75/-50=1.5 20x1.5=30
Answer:
<em>Answer is</em><em> </em><em>option</em><em> </em><em>b</em><em>)</em><em> </em><em>3</em><em>:</em><em>4</em><em> </em><em>=</em><em> </em><em>9</em><em>:</em><em>12</em>
Step-by-step explanation:
On dividing the numbers 9 and 12 by 3 table we get the ratio <em>3</em><em>:</em><em>4</em>
<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>HAVE A NICE DAY</em><em>!</em>
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