A traveler has 3000 U.S. dollars. In Paris, the traveler changes this money into euros 
and spends 530 euros. In London, he changes his remaining euros into British pounds 
and spends 69 pounds. He finally changes his remaining pounds into dollars 
. Ignoring any currency change fees, find the final number of U.S. dollars. Round to the nearest whole number.
A. $2248
B. $2258
C. $2238
D. $2263
Answer: A
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Insert a decimal point in the product.0.0013 × 0.0054 = 702
A. 702. B. 0.0000702 C. 0.000001 D. 0.00000702
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by src="https://sciemce.com/media/4/ppg__fffile0518192055__f1q12g5.jpg" alt="" style="vertical-align: -4.0px;" />
A. P(x) = 0.3x2 + 26x - 33
B. P(x) = 0.3x2 + 35x - 22
C. P(x) = -0.3x2 + 35x - 11
D. P(x) = -0.3x2 + 26x + 11
and the total cost function is given by 
where x represents the number of boxes of computer chips produced. The total profit function, 
is such that 
Find
Given the side lengths of a right triangle, find the indicated value. opp = 4, hyp = 7Find cos ?.
A. 
B. 
C. 
D. 
Solve the quadratic equation by completing the square.x2 - 8x - 7 = 0
A. {8 - 
, 8 + 
}
B. {-4 - 
, -4 + 
}
C. {4 - 
, 4 + 
}
D. {4 - 
, 4 + 
}