Ans given below
-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
Answer:
(3x+1)
Step-by-step explanation:
So i start by the little 2 and then the 3 and then 19x +6
Imagine the area is 360 degrees, or

radians.
You would multiply it by (3/8) to get your answer.
Answer:
24.23
Step-by-step explanation:
The tan(x) would equal to the opposite side over the adjacent one
So 9/20. To get the degree we need to get the arctan of it, so arctan(9/20) = 24.23
Answer:
Its THIS ↓↓↓↓
Step-by-step explanation:
if its not this then i dk what