Answer:
A
Step-by-step explanation:
A
The answer would be 2.5 because you would do length times width times height so 5.2 times 9.3 is 48.36 but to get to 120.9 you would multiply it by 2.5 so the answer is 2.5 inches.
-hope this helped!
A=<4.60,7.20>
b=<5.10,2.70>
The scalar product, or the inner product, or the dot-product, is by summing the products of the respective directions,
a.b=4.6*5.1+7.2*2.7
=23.46+19.44
=42.9