Write each expanded form as a decimal. (5×10)+2+9×1/10+6×(1/100)+3×(1/1000

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?