The product or quotient of two real numbers with the same sign

Which math sentence can be used to determine if the triangle is a right triangle?

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?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0