It would be 147.6 because you multiply 9 time 16.4
Answer:

Used a calculator to find all the square roots, .06's is 0.24, which is the closest out of all of the options to the graph.
Answer:
(8x-9)(8x+9)
Step-by-step explanation:
64x^2 - 81
Rewriting
(8x)^2 - 9^2
We recognize that this is the difference of squares
a^2 - b^2 = (a-b)(a+b)
(8x-9)(8x+9)
Answer:
b
Step-by-step explanation: