Answer:
A. The ability to do something well without wasted time or effort.
Answer:
C
Step-by-step explanation:
Total Work hours = 3 1/2 hours
One routine physical routine requires: 1/3 hours.
Number of routines can be completed = Total work hours / Time required for one physical routine
= 
= 10.5 routines.
In this case, we are unable to complete half a routine (0.5), so we will choose the highest possible whole number, in this case, its 10 routines.
I'm answer for u is 240 cubic units=b
Answer: all real number / infinity €
15x+23-5x=43+10x
10x+23=43+10x
23=43
€