Find all the missing elements. Round to the nearest tenth.
С
a = 10
b = 7
b
C= 6
a
B
с
A = [?1°
A
B = [ 1°
C = [ 1°

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.