Answer:
30.18
Step-by-step explanation:
A = 2+3a +6
a-3a = 8
-2a = 8
a = -8/2 = -4
Answer: - 8
Step-by-step explanation:
3+(−4)−8−(−1)
3 - 4 - 8 + 1
3 - 12 + 1
-9 + 1
- 8
Answer:
Step-by-step explanation:
1/4 * 2/3 = 2 / 12 = 1/6
Answer:boys: median=50, mean=46
Girls: median= 33, mean=34
Step-by-step explanation:
Mean is the average. Median is the middle number. Both groups had 10 scores. Boys ranged from 15-81. Girls from 0-75; their mean & median would be less because their scores are less.