19.q 20.d 21.6/7 22.6/7 23.b
The formula of a volume of a cube:

We have 
Substitute:
![a^3=474.552\to a=\sqrt[3]{474.552}\\\\a=7.8\ m](https://tex.z-dn.net/?f=a%5E3%3D474.552%5Cto%20a%3D%5Csqrt%5B3%5D%7B474.552%7D%5C%5C%5C%5Ca%3D7.8%5C%20m)
Answer: The length of each side of the box is equal 7.8 m.
Answer:
c) 380 m²
Step-by-step explanation:
A = π·r²
= 3.14×121
= 379.94
≈ 380 m²
Answer:
C
Step-by-step explanation:
given - 2x < 10 ( divide both sides by - 2 )
Remembering that the symbol is reversed when multiplying/ dividing by a negative quantity.
x > - 5 ← note reversal of symbol
solution is {x | x > - 5 } → C
Answer:
It should be C
Step-by-step explanation:
I hope this helps