Answer:
Correct option is:
A. $125.91
Step-by-step explanation:
Cost of each CD= $13.99
Cost of 9 CDs= $13.99×9
= $ 13.99(10-1)
= $ (13.99×10-13.99×1) (using distributive property)
= $ (139.9-13.99)
= $125.91
Hence, Correct option is:
y= -1/2x +5.5
hope this helps :)
qrs
I believe it’s 80 but I’m not sure