Complete.13 km/h =  mph (Round to the nearest thousandth.)

A. 19.617
B. 20.917
C. 8.073
D. 9.373


Answer: C

Mathematics

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 4x + 6y

A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines  c > 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines  c ? 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines  c ? 0
D. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 

Mathematics

Use the table to determine the probability. Round your answer to three decimal places if necessary.The table gives the number of degrees earned in a certain university in the 2007-2008 academic year.If a student receiving a degree is randomly selected, what is the probability that the person selected is female?

A. 0.527 B. 0.577 C. 0.423 D. 0.373

Mathematics

Factor completely.(5m + n)p2 - 9(5m + n)p + 18(5m + n)

A. (5m + n)(p + 3)(p + 6) B. (5m + n)(p - 3)(p - 6) C. (5m + n)(p2 - 9p + 18) D. (5m + n)(p - 3)(p + 6)

Mathematics

Find the equation of the axis of symmetry of the parabola.f(x) = (x + 4)2 + 4

A. y = 0 B. y = 4 C. x = 4 D. x = -4

Mathematics