Answer:
-21x^2+6x+3
Step-by-step explanation:
distributive property
Answer:
Two
Step-by-step explanation:
there is TWO sulotions!!!
Answer:
a^2+B^2=c^2
Step-by-step explanation:
21
18=0.86x - 0.09 Put 18 as the y value and solve for x
18.09=0.86x Add 0.09 on both sides.
21.03=x Then divide on both sides by 086
Answer:
156°
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
Here n = 15 , then
sum = 180° × 13 = 2340°
interior angle = = = 156°