Solve.At the end of the day, a storekeeper had $1144 in the cash register, counting both the sale of goods and the sales tax of 4%. Find the amount that is the tax.

A. $34
B. $39
C. $44
D. $49


Answer: C

Mathematics

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A. discontinuous only when x = -4 B. discontinuous only when x = -4 or x = 4 C. discontinuous only when x = -16 or x = 16 D. discontinuous only when x = 16

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Complete the identity.1 -  = ?

A. tan x B. 0 C. cos x D. cot x

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y?? + 36y = 54x + 6, y (0) = 7 6, y?(0) = 1

Solve the initial-value problem.

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Subtract the fractions. Write the answer in lowest terms. - 

A.
B.
C.
D.

Mathematics