This is Pythagorean theorem.
We already know a and c.
a = 4 and c = 10
4² + b² = 10²
16 + b² = 100
Subtact 16 from each side.
b² = 84
Square root of each side:
b = ≈9.165 or √84
Hope this helps!
Answer:
pretty sure it is c but might wrong
Step-by-step explanation:
Answer:
Rate of Pay is $11 per hour.
Step-by-step explanation:
Cost of
of work = $ 82.50
To find: Rate of pay
Here Rate of Pay means Cost of 1 hour of work or we can say cost of per hour work.

⇒ Cost of
of work = $ 82.50
Cost of 1 hr of work = 
= 
= 
= $ 11
Therefore, Rate of Pay is $11 per hour.