Step-by-step explanation:
Discriminant : k² - 4(12)(27) < 0
So k² - 1296 < 0, -36 < k < 36.
3×9=27
27×7=189 units³
I hope this helped!!!:)
Answer:

Step-by-step explanation:
Angle <em>b</em> and 135° form a <em>linear pair</em>, so when summing them up to 180°, you will have 45° left over:

Now, by the <em>Vertical</em><em> </em><em>Angles</em><em> </em><em>Theorem</em>, angle <em>a</em> and 70°, in this case, are to be in <u>congruence</u> with each other, so you have that.
Now you must find the the measure of angle <em>c</em> sinse you have already found the measure of two angles already:

I am joyous to assist you at any time.
Answer:
63.66197728% or just 64% lol
Step-by-step explanation: