450/500 how much you have to how much it costs
this equals to 90 % of the complete cost
100%-90%=10%
you need a 10 % discount
hope this helps
T<span>oyland is having a sale all items are 20% off
so all items are sold at 1-20% = 80% of their original prices
for </span><span>an item that usually costs $95,
</span><span>
the sale price = $95 * 80% = $95 * 0.8
= $76
good luck w Mr. Horton :)
</span>
Answer:

Hope help
Pls mark brainliest if it is a right answer
Step-by-step explanation:
2-×^2
t(×)=3×
(s o t )(x)=st(×)=s(t(x))=2-(3×)^2=2-9x^2
(s o t)(-7) =2-9(-7)^2=2-9(49)= 2-441= -439