One tube of maybelline great lash mascara is sold every 2.7 seconds. how many tubes are sold in a half of a day. round to the nearest full tube.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

How can you construct perpendicular lines and prove theorems about perpendicular lines