Using the rational root theorem, what are all the rational roots of the polynomial f(x) = 20x^4+x^3+8x^2+x-12?
a) -4/5 and 3/4
b) -4/5 and -3/4
c) -1, -4/5, 3/4 and 1
d) -1, -4/5, -3/4 and 1

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets

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?