A $64 item is marked up to $80. Find the percent markup.

Acar with a mass of 600 kg is traveling at a velocity of 10m/s. how much kinetic energy does it have?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Arectangular lawn is 65 m long and 34 m wide. over time, people have walked along a diagonal as a shortcut and have created a straight path. what is the length of the path, to the nearest tenth of a meter? enter your answer as a deicmal in the box. m