A.
a < 18 and a may be a negative number
B.
a < 18 and a must be a positive number
C.
a > 18 and a may be a negative number
D.
a > 18 and a must be a positive number
Answer:
16
Step-by-step explanation:
3/4 = 12/x
Since 3 × 4= 12
[Apply the same number with the numerator and denominator]
4 × 4= 16
x = 16
Express the answer in interval notation.
Answer:
(−∞,−9]∪[−5,∞)
Step-by-step explanation:
Convert the inequality to interval notation.
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