Look at the simple machine shown below and determine the mechanical advantage. A. 1.4
B. 0.2
C. 3.0
D. 4.9

Using the black numbers on the stopwatch to answer the questions. what is the most accurate reading of seconds as indicated by the long second hand? a. 5.3 b. 5.6 c. 7.2 d. 53 secs its for edg i found out it was 5.3 and tenth of seconds freebie