ANSWER
a=9
EXPLANATION
The given quadratic equation is

If x=1 is a solution, then it must satisfy this equation:



Therefore the value of 'a' is 9
Richelle can fold a hexagon in half and if they match up they will be congruent.
all angles would be congruent
Answer: 384
Step-by-step explanation:
4/100×3200×3yrs
=128
1. divide 8.75 by 3.5 and divide 9.75 by 3.75
2. do 2.5 ×2 plus 1.25