Answer:
$9
Step-by-step explanation:
In this circumstance, 20% off is the original number (40) divided by 5, and that's the answer. I hope this helps!
Answer:
None
Step-by-step explanation:
This doesn't really make sense, If the item is 629$ and Keith only gives 50$ Keith is the one who should pay.
Answer:
imaginary
Step-by-step explanation:

from the working strp, we know that the number is imaginary
we can't square root the negative number
Answer:
=-a +9c
=-6+9×-6
=-6+(-54)
=-6-54
=-60
hope it helps you!!!
stay safe healthy and happy!!!!
Answer:
2.45, -2.45
Step-by-step explanation:
Since the equation has only one term in the unknown "x", we can solve for it isolating "x" on one side of the equal sign:

Which we can round to: x = - 2.45 and x = 2.45