Answer:
(A) 7.66
Step-by-step explanation:

Total Score= Mean X Number of Scores
For the girls, Mean Score=8.25, Number of Scores = 12
For the boys, Mean Score=7.3, Number of Scores = 20
Total Score for all Students = 99+146=245
Total number of students = 20+12=32

The two angles are 22 degrees and 68 degrees
Answer:
-4, 2, -1
Step-by-step explanation:
everything is being multiplied by -1/2
32 × -1/2 = -16
-16 × -1/2 = 8
So 8 × -1/2 = -4
Answer:
n=8
Step-by-step explanation:
(2^4)=16
16^2= 256
2^8= 256
I hope this helps!!!
Answer:
View Picture (Also I solved for x)
Step-by-step explanation:
First one is for first question, while the second picture is for the 2nd question. Be sure to mark me Brainliest!