What is the maximum of the following graph?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6