Answer:
$4884 to the nearest $.
Step-by-step explanation:
By proportion it is 2275 * (23*28) / (15*20)
= $4884
Sure. I'm not sure if I like the computer aided instruction.

so in the first block they want sin A and in the second block sin A cos A
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Proof,

Looks like the box is cos θ
Answer:
-0.5
Step-by-step explanation:
2n-3 >= 1-4n+7
2n-10>= 1-4n
2n-11>=4n
-11>=2n
-0.5>= n
The diagram of the triangle is shown below
If GH is the adjacent side to the angle and HK is the opposite to the angle, then the angle must be at G