Answer:704
Step-by-step explanation: multiply
Answer:
Never
Step-by-step explanation:
This statement is never true. Parallel lines have the exact same slope in every instance. This means that if one is negative and one is positive, then they can never be the same.
Answer:
(4b-9) (4b+9)
Step-by-step explanation:
16b^2 – 81
This is the difference of squares
(a^2 -c^2) = (a-c) (a+c)
a^2 = 16b^2 so a= 4b
c^2 = 81 so c = 9
(16b^2 – 81) = (4b-9) (4b+9)
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