Last school year, the Mathematics C lub of the school raised ₱1 800 from a fund-raising activity. This year’s collected is ₱450 more than the previous
year. What is the percent of change?

What is the equation of the graph below? y=sec(x)-4

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes