Perform the indicated conversion between American and metric units of length.239 miles to kilometers (Round to the nearest thousandth.)
A. 132.778
B. 432.351
C. 384.551
D. 148.539
Answer: C
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Solve the problem.A bird flies from its nest 4 km in the direction 37° north of east, where it stops to rest on a tree. It then flies 7 km in the direction 7° south of west and lands atop a telephone pole. With an xy-coordinate system where the origin is the bird's nest, the x-axis points east, and the y-axis points north, at what point is the tree located?
A. (2.407, 3.195) B. (0.7986, 0.6018) C. (3.195, 2.407) D. (3.062, -2.574)
Predict the general, or nth term, an, of the sequence.-3, 12, -48, 192, . . .
A. -12n-1 B. -3(-4)n-1 C. -3 + (-4)n D. -3(-4)n
Find the LCD. Do not combine fractions.
, 
A. 4(x + 1)(x - 2) B. 4(x - 1)(x - 2) C. 4(x + 1)(x + 2) D. 4(x - 1)(x + 2)
For a certain car, the distance traveled by the car while trying to stop is given by the equation d = 0.05r² + r, where r is the speed of the car in miles per hour, and d is the distance needed to stop in feet. Find the total number of feet needed to stop the car traveling at 60 miles per hour. Round any approximate value to 2 decimal places.
a. 240.00 b. 180.00 c. 360.00 d. 300.00 e. 150.00