Answer:
B
Step-by-step explanation:
To evaluate f(a + 2), substitute x = a + 2 into f(x), that is
f(a + 2) =
= 
Answer:
c
Step-by-step explanation:
You could four times because there are four letters in the word cube, so there are only four possible ways you could spell it.
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Answer: 3 days
Step-by-step explanation: It would take 3 days for seven hens to 7 lay eggs because each hen lays an egg each day.
1 hen/1 egg = 3 days
7 hens/7 days = 14 eggs
7 hens/3 days = 7 eggs