Answer:
12 sides and measure of each interior angle is 150...
The value of tan³ θ + 2 = 3
Solution is in attachment !
the answers are:x1=-4 and x2=5
-5.3.
Step-by-step explanation:
-8.6 + 2.3 + 1
= -6.3 + 1
= -5.3.
