What is the area of the triangle ???

Which of the following points is collinear with (-2,1) and (0,3)

In which form is the following function written? y = - 2(x – 3)(x + 5)

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase