The answer is B estimated number is 20
Answer:
-5 is greater
Step-by-step explanation:
-9 is a lesser number than -5 on the number line, making -5 a greater number.
I am not quite sure what the question asks for,
But this is what i assume it wants:
Cos A= 0.6489
In this given one, we basically find the size of the angle A
we do cosine inverse on both sides to get the size of the angle A

: It looks like this in the calculator

× cos A=

(0.6489)
(

and cos cancels out)
A=

(0.6489)
A=49.54°
check:
cos 49.54=0.6489 (its right!)
Answer:
A
Step-by-step explanation:
16 × 2 = 32
20 × 2 = 40
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