How to solve 2x+3y=9 and -4x-6y=-18

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?

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6