Answer:
Company A:
c = 40 + 2s
Company B:
c = 20 + 4s
Equal costs => 40 + 2s = 20 +4s => 4s - 2s = 40 - 20 => 2s = 20 => s = 20/2
=> s = 10
And c = 20 + 4s = 20 + 4(10) = 20 + 40 = 60
Step-by-step explanation:

Use the table of trigonometric ratios /in a picture/.
Answer: m∠A ≈ 70°
Answer:64
Step-by-step explanation:
Answer:
A convex mirror is placed to the right of an object. The image formed by the mirror will be a virtual image that appears to be on the right of the mirror.
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