HELP ASAP Lisa, an experienced shipping clerk, can fill a certain order in 12 hours. Tom, a new clerk, needs 13 hours to do the same job.
Working together, how long will it take them to fill the order?

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

Which of the following of the following sets of side lengths could not form a triangle?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.