Answer:
c 23ft
Step-by-step explanation:
The answer is x=23.......................
Answer:
B.71%
Step-by-step explanation:
Weighted Mean is (All X * W)/sum of W
X for averages and w for weight
X W (X*W)
HW 95 10 980
Quiz 80 20 1600
Test 67 50 3350
Final 60 20 1200
Total 100 7100
Weighted Mean = 7100/100 = 71%