-3√45 + 3√20 = -3√(9 · 5) + 3√(4 · 5) =
= -3√(3² · 5) + 3√(2² · 5) =
= -3 · 3√5 + 3 · 2√5 =
= -9√5 + 6√5 = -3√5 ← the end
Answer:9
Step-by-step explanation:(h-k)(3)=9 trust me
The answer is
<span>The two shipments have the same range of weights but a different mean weight.
Hope i helped </span>
-6 is a rational I believe