Solve the given system of equations. –9a = 4 9a + 9c = 6 2b + 8c = 15

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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?