Answer:
r=1
Step-by-step explanation:
3(2x-2)-r+3x=2(7x+1)-5x-9
6x-6-r+3x=14x+2-5x-9
9x-6-r=19x-7
-6-r=10x-7
-r=10-1
-r=9
-r/-1=9/-1
r/9=-9/9
r=1
Answer:
D
Step-by-step explanation:

Therefore, the correct answer is D. Hope this helps!
Answer:
your answer is 12.
30%×40 Is how you work it out.
Answer:
Your answer is 909.39 feet
Step-by-step explanation:
A^2 + B^2 = C^2.
so 49 + 576 = C^2
625 = C^2
Now find the square root of 625.
25 = C (in your case r)