Use Lagrange multipliers to find the shortest distance from the point (5, 0, −7) to the plane x + y + z = 1.

Arace is 10 kilometers long.markers will be placed at the beginning and end of the race course and at each 500 meter mark.how many markers are needed to mark the course for the race?

Which graph represents the function f(x)=4[x]?

Which equation can be used to determine the reference angle, r, if 0=7 pi/12?