64 cm is 640 mm.
Hope this helps!
Answer:
The square root of 600 is 24.49489743
Step-by-step explanation:
Answer:
ohhh yea that's a umm carot
20 beacause 20 x 2 = 40 and twice as many means 2 x ....
Let's expand first:

Simplify (combine like terms):


So, your most simplified answer is
18z(z-1) or
18z²-18z.