Dave arrived to his grandmother's hours in7.75 hours.
Answer:
A. 
Step-by-step explanation:
This is a great question! The first thing we want to do here is to take the constant out of the expression, in this case 5. Doing so we would receive the following expression -

We can then apply the power rule "
", where a = exponent ( in this case 4 ),

From now onward just simplify the expression as one would normally, and afterward add a constant ( C ) to the solution -
- Add the exponents,
- 5 & 5 cancel each other out,
- And now adding the constant we see that our solution is option a!
1,5, and 25. 1*25=25 and 5*5=25
The answers is 30 km.....
44X 2 is the same thing is that what your asking am a little confused