Answer:
34
Step-by-step explanation:
62 - 45 = 17
17 x 2 = 34
12 Roses since your multiplying by 2
F(-1) = 2(-1)^2 + 8(-1)
= 2(1) + (-8)
= -6
We will verify each options
option-A:

we can factor it



so, this is not irrational.........Answer
option-B:

Since, it can not be factored
so, this is irrational.........................Answer
option-C:

we can factor it



so, this is not irrational.........Answer
option-D:

we can factor it



so, this is not irrational.........Answer
Answer:
c + ab
Step-by-step explanation:
The way an expression is written is the given you have presented to us.
The commutative law of addition would turn it around as
c + ab.
It just means change the order when adding. Not all systems allow this. It matters which way you put it in some systems.