A polynomial ppp has zeros when x=\dfrac15x=51x, equals, start fraction, 1, divided by, 5, end fraction, x=-4x=−4x, equals, minus, 4, and x=2x=2x, equals, 2.What could be the equation of ppp?

Trigonometry hellllllpppppppp asap

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

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?