Given f(X) = 4x^4+5x - 15x² - 45, find f(-3).

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points