Find the first year's depreciation, using the double-declining-balance method. Round to the nearest dollar.Cost: $1,550Est. life: 20 yearsEst. scrap: $155

A. $70
B. $140
C. $155
D. $78


Answer: C

Mathematics

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Show that the equation is not an identity by listing the value(s) of the variable from among 0, , and -  for which the equation is false.sin4? + cos4? = 1

A. , and - 
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Mathematics