Answer:
r=21
Step-by-step explanation:
r-15=6
r=6+15
r=21
Answer: 512
Step-by-step explanation: 8 x 8 x 8 = 512 (8x8=64, 64x8=512)
Hope this helps!
Mark Brainliest if you want!
Answer:

Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have

assume

substitute the values and solve for r

![r=32.7/[2(3.14)]](https://tex.z-dn.net/?f=r%3D32.7%2F%5B2%283.14%29%5D)

Answer:
Its the instrument that measures unknown quality of goods.
Step-by-step explanation: