The rate at which the maximum temperature changes for 1 6  t is modeled by ( ) 4 2sin 5 6 t R t    = − −     where Rt() is measured F /minute. Find R(4) and explain what it means in the context of the problem using correct units.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters