60 feet of wire is needed for a connection. An 80 meter roll of vire is to be used. How much wire is left over?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

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