Answer:
35% discount
Step-by-step explanation:
We can first find what percent of 32 20.80 is.
This can be shown by using a percent proportion.

We can cross multiply to find the value of
.

So 20.80 is 65% of 32.
However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

So the book was on a 35% discount.
Hope this helped!
Answer:
Supplementary
Step-by-step explanation:
Supplementary angles add to 180 degrees.
Hello,
We can not divide by 0.
==> x+4.5≠0
==>x≠-4.5
dom f=R\{4.5}
Answer:
NOPE, the surface area is bigger than the volume, the answer must be C
Step-by-step explanation:
18+18+36+36+72+72 = 252
Answer: It is 108
Step-by-step explanation: