Answ B and C
Step-by-step explanation:
Answer:
The student's mean score in the class is 80.6
Step-by-step explanation:
we know that
To find out the student's mean score in the class, multiply each score by its worth and adds the numbers

therefore
The student's mean score in the class is 80.6
Try this option:
1) if csc(u)=9, then 1/sin(u)=9 and sin(u)=1/9;
2) if sin(u)=1/9, then cos(u):

3) 



Answer:
A) 5
B) 4
C) 3
D) 64
Step-by-step explanation:
correct on edge
Answer:
0
Step-by-step explanation:
First you find what f(4) is equal to then you plug that into g(x), so in this situation f(4)=4 so we then look at g(4), which is equal to 0