Answer:
4+
x = 3
Step-by-step explanation:
4 +
x = 3 (subtract 4 from both sides)
x = -1 (multiply both sides by 2)
x = -2
Answer:
x>9
Step-by-step explanation:
-4x + 15 < -21
Subtract 15 from each side
-4x + 15-15 < -21-15
-4x < -36
Divide each side by -4, remembering to flip the inequality
-4x/-4> -36/-4
x >9
Answer: population size= 10
Mean= 167
MAD= 32
Step-by-step explanation: