Answer:
Step-by-step explanation:
Five more = Addition of 5
Opposite = (-)
3 times = Multiplication by 3
Square = To the power (exponent) of two
4 times the number = Multiplication by 4
The number = unknown number = x
C.
it is literally so easy
8 hours
pretty sure
6 hours is in half and 10 hours is in half add it up and you get 8?