If y is proportional to the square of x and y=50 when x=5. find
a) the formula for y in terms of x
b) the value of y given x=7
c) the value of x given y=162

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.