D , because 28-9=21 and 21=x
The first one- the rest don’t add up
£376=117.5% so (376/117.5)= 1% x 100= £320 is the original price
Answer:
Step-by-step explanation:
g(x)=3(10-x)^2-8
=3(12)^2-8
=144*3-8
=432-8
=424
1. Move the negative sign to the left.
- 
*-50
2. Use this rule: 

=
-
3. Simplify - 
4. Move the negative sign to the left.
-(-950x/8)
5. Simplify 950x/8 to 475x/4
6. Remove parentheses.