The answer is abc deft hi
Answer:
x = 7
Step-by-step explanation:
3x - 9 = 12
3x = 12 + 9
3x = 21
x = 21 ÷ 3
x = 7
You express the values in which the teacher or tutor or whatever assigned you.
Answer:
B
Step-by-step explanation:
Standard deviation is the average distance away from the mean, thus B is correct
Answer:
108 units
Step-by-step explanation:
(6x4x9)divided by 2
