C is what you do when credit cards are involved.
Answer:
3 + 9i
Step-by-step explanation:
(4 + 2i) - (1 - 7i)
distribute the (-)
(4 + 2i) - 1 + 7i
combine like terms
3 + 9i
Subtract 7.8 points by 4.8 and you get 3.4 !!
Answer:
$26.15 total
Step-by-step explanation:
23.77(1.1)=26.147