Provide an appropriate response.Juan and Pete are on the same salary. Juan receives a 10% raise followed by an 8% raise a year later. Pete receives an 8% raise followed by a 10% raise a year later. After the two salary raises, whose salary is higher? Explain your answer.
What will be an ideal response?
Answers will vary. The two salaries will be the same. y×10%×8% is the same as y×8%×10%.
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Find the focus and directrix of the parabola.x2 + 8y = 0
A. (0, -2); y = 2 B. (0, -2); y = -2 C. (0, -2); x = 2 D. (-2, 0); y = 2
Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.2x - 4y + 6z = -7 and -6x - 3y + 4z = -3
A. 0.608 rad B. 1.502 rad C. 0.423 rad D. 1.148 rad
Translate the percent statement to a proportion.80% of 75 is 60.
A. 
= 
B. 
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C. 
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D. 
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Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by 
and the total cost function is given by 
, where x represents the number of boxes of computer chips produced. The total profit function, P(x), is such that 
. Find P(x).
A. P(x) = -0.3x2 + 54x + 13 B. P(x) = 0.3x2 + 54x - 39 C. P(x) = -0.3x2 + 57x - 13 D. P(x) = 0.3x2 + 57x - 26