Answer:
142.24cm
Step-by-step explanation:
If 100 inches = 254cm then if you do 254/100 you will get how many cm are in an inch. 254/100 = 2.54
This means there are 2.54 cm in an inch. Multiply 2.54cm by 56 inches and you get how many cm are in 56 inches which is 142.24cm. This means Elena is 142.24 cm tall.
C. 343 because <span>A perfect cube is the result of multiplying a number </span>three<span> times by itself.
1, 8, 27, 64, 125, 216, 343, and so on
</span>
5/4
(15/16)(4/3) The 4/3 is the reciprocal of 3/4
=5/4
Triangles ABC and A'B'C are similar. This means that the corresponding sides are in the same ratio, in this case:

Replacing with data:
Answer:
The answer is 10√2.
Step-by-step explanation: