Answer:
24 hours
Step-by-step explanation:
4 people can do the work in 6 hours
4*6 = 24 work hours
It will take 1 person 24 work hours to complete the job
Yes it is x^2 when you multiply x by x
Because x is divided by (b+c)
To get x by itself you need to multiply both sides by (b+c)
X= a/(b+c)
ANSWER
E. 10
EXPLANATION
Using Pythagoras Theorem, which says the hypotenuse squared is equal to the sum of squares of the two shorter legs.

Evaluate the squares on the RHS.


Simplify:

Take positive square root.


The hypotenuse is 10 units.
The correct answer is E