The three lines represent the amount of water over time in the three tanks that are the same size which tank is filling most quickly?

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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