Answer:
-2x² + 21x + 27
Step-by-step explanation:
distribute 3 to get:
(6x² + 21x + 12) - 8x² + 15
combine 'like terms' to get:
-2x² + 21x + 27
Answer:
10
Step-by-step explanation:
use pythagorean theorm
√(8^2+6^2) = 10
Answer:
43/100
Step-by-step explanation:
It would have to be 43/100 becuase 43 is a prime number, therefore it cannot be simplified.
Answer:
The current is 34 mph in still water, I think I could be wrong.