The curve with equation y = ax2 + bx + c passes through the point (0, 12.25) and has a zero gradient at the point . Find the values of a, b and c.

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

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.