Convert 3cis 180° to rectangular form.

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Josephine has a great garden with and area of 2x2 + x - 6 square feet

How can you construct perpendicular lines and prove theorems about perpendicular lines