Aparallelogram has side lengths of 9x+12 and 3x+7. what is the perimeter?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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.