Answer:
x=-1
Step-by-step explanation:
-4r-11=4r+21
Move 4r to the other side
Sign changes from +4r to -4r
-4r-4r-11=4r-4r+21
-4r-4r-11=21
-8r-11=21
Move -11 to the other side
Sign changes from -11 to +11
-8r-11+11=21+11
-8r=21+11
-8r=32
Divide both sides by -8
-8r/-8=32/-8
Answer: r=-4
Im actually pretty sure its C because 4 to the power of 2 is 16 and then add those too up 16+25=41
Answer:
false
Step-by-step explanation:
tangent always touch to the circle
so....
