Answer: A
Step-by-step explanation:

·

=

. This can be simplified to 5x

, because √50 simplifies to 5√2 (since 5x5x2 equals 50) and the square root sign takes x² from x³ and turns it into just x.
Answer:
-9df^3 - 3f^3 - 7d^2 - 8d - 15625
Step-by-step explanation:
5280 divided by 4224 equals 1.25