Which of the following points is not coplanar with points c, d and e?
r
a
s
u

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

Give me the equations of two lines that have the same slope but are not parallel.