Answer:
The mean score is 87
Step-by-step explanation:
79x2=158
158-71=87
E and F= 54 Degrees D is 90 degrees
10.5 = 10 1/2
Step by step:
(3 3/4)(2 4/5)
= 15/4(2 4/5)
=15/4(14/5)
=21/2
=10 1/2
0.077
Marco can divide 77 by 1000 to convert it to dekagrams
There are 0.077 decagrams per 77 centagrams