Which best describes chivalry?

a.
a place where knights train

b.
the code of conduct for medieval knights

c.
the process of being dubbed a knight

d.
a kind of clothing that knights wore

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Polynomial that can be factored as (3x-4)(3x+4)

How do you solve a question like this?