What is the length of a rectangle whose area is 51cm2 and width 3 cm?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?