Convert the measurement to the specified units. Round to the nearest tenth of a degree, when necessary.90 miles to kilometers
A. 55.8 kilometers
B. 81.9 kilometers
C. 144.9 kilometers
D. 98.1 kilometers
Answer: C
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Write the equation in polar coordinates.
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Add the polynomials. Express your answer in standard form.(9x - 3) + (-7x - 8)
A. -63x2 + 24 B. 2x2 - 11 C. 2x - 11 D. 2x + 11
Solve the problem.A politician is planning to spend a total of 20 hours on a campaign swing through the southern states of Arkansas, Louisiana, Mississippi, Alabama, and Georgia. Assume that he spends the same amount of time in Mississippi as in Alabama; half the amount of time in Georgia as in Arkansas; and the same amount of time in Mississippi, Alabama, and Georgia (combined) as in Arkansas and Louisiana (combined). How can he distribute his time among the five states? (Let a be the hours spent in Arkansas, b the hours spent in Louisiana, c the hours spent in Mississippi, d the hours spent in Alabama, and e the hours spent in Georgia. Let e be the parameter.)
A. a = 2e, b = 10 - e, c = 5 - e/2, d = 5 - e/2, 0 ? e ? 5 B. a = 2e, b = 10 - 2e, c = 5 - e/2, d = 5 - e/2, 0 ? e ? 5 C. a = e, b = 10 - e/2, c = 5 - e/4, d = 5 - e/4, 0 ? e ? 10 D. a = 2e, b = 10 - e, c = 5 - e, d = 5 - e, 0 ? e ? 10
Draw the graph of the line that contains the specified point and has the specified slope, m.(-2, 0), m = 
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