C is the answer because 7+8= 15 and 7x8= 55
If you're talking about Egyptian, you have to put 9 "ten" symbols on the paper and you get 90.
The "ten" symbol looks like a tiny arch.
Answer:87/8
Step-by-step explanation:cause i smart :D
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Answer:
C. 
Step-by-step explanation:
Let
,
and
. From statement we know that
, which is equivalent to the following linear algebraic formula:
(1)


(2)
Then, the coordinates of point B on AC are:



Which means that correct answer is C.
Answer: V=628cm³
Step-by-step explanation:
V=(3.14)r²h
V=(3.14)(5²)(8)
V=628cm²
Hope this helps! Have a great night!