Answer:
$20.00
Step-by-step explanation:
Multiply $2.50 by 5 to get the grand total of $12.50. Then, add the change he was given back to get the amount that was paid. 12.50 + 7.50 = $20.00
110 degrees
I don't know if that is correct.
5x^4 - 37x^3 - 6x^2 + 41x - 6