Answer:
7/60 hour or 7 minutes b) 8 or 8 4/7 depending if you consider a fraction of a task is yes or no
Step-by-step explanation:
-5+-15= -20
4+15= 19
-20+19
-1
Hope the picture will help you.....
15.7
The equation for finding the circumference of a circle is
2 x pi x r(radius). Radius is half the diameter.
5/2=2.5
2 x 3.14 x 2.5
=15.7