Write an equation that models the described quantity. Specify what each variable represents.A runner has completed 2 miles and is running at 6 miles per hour.
A. t = 6d + 2, where d represents distance in miles and t represents time in hours
B. t = 2d + 6, where d represents distance in miles and t represents time in hours
C. d = 2t + 6, where d represents distance in miles and t represents time in hours
D. d = 6t + 2, where d represents distance in miles and t represents time in hours
Answer: D
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For the given polar equation, write an equivalent rectangular equation. 8r cos ? + 3r sin ? = 1
A. 8y + 3x = 1
B. 8x + 3y = 1
C. 
+ 
= 1
D. 8x + 3y = x2 + y2
Write the number in words.6,900,833
A. six million, ninety thousand, eight hundred thirty-three B. sixty-nine thousand, eight hundred thirty-three C. six million, nine thousand, eight hundred thirty-three D. six million, nine hundred thousand, eight hundred thirty-three
Provide an appropriate response.Find the perimeter of the given figure.
A. 32 cm B. 12 cm C. 24 cm D. 24 cm2
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + xy + y2 - 3y - 6 = 0
A. 
B. 