Which equation is in quadratic form?
a)4(x-2)^2+3x-2+1=0
b)8x^5+4x^3+1=0
c)10x^8+7x^4+1=0
d)9x^16+6x^4+1=0

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?