The interest would be $123.5
Answer:

Step-by-step explanation:
using the rule of exponents
= 
note that 6 =
, then
=
= 
Probably feet or meters depending on where he is. I would go with feet
Answer:
3(r + 5)(r - 5)
Step-by-step explanation:
Both 3 and 75 are divisible by 3, so we take out a 3.
3(r^2 - 25)
Next, we can factor r^2 - 25. It's a difference of squares.
3(r + 5)(r - 5)
Brainliest, please :)