You just add the amount she spent and the amount she had left over to find out how much she had before she went into the game store. So 9.72+34.79 is $44.51. Hopefully this helped her out.
Y=2x-3.
Answer B.
Proof
When y=1 then x=2
y=2x-3
1=2*2-3
1=4-3
1=1
.............
Cos A) 16/20 or 4/5
Tan A) 12/16 or 3/4
Sin A) 12/20 or 3/5
