Tom Sawyer will take 7 hours to paint a fence. His friend Huck can paint it in 4 hours. If they paint it together, how long will it take them together?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0