3. Use substitution to solve the system of equations.
y+1 = - 2x
4y + 8x = -4
Is there a solution

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Consider circle o, where and . m∠bpd °. °.

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)