12 pounds divided up between 27 sandwiches is 0.44 pounds for each sandwich. 12/27=0.44
78 rounded to the nearest tenth is 80
Answer:

Step-by-step explanation:
Remember that
If angle t belong to the First Quadrant
then
The value of sin(t) and cos(t) are positive values
we know that
---> by trigonometric identity
we have

substitute




