Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the distance between City A, 34° N and City B, 37° N. (Round to the nearest kilometer.)
A. 406 km
B. 372 km
C. 335 km
D. 301 km
Answer: C
Mathematics
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Write the sentence as an equation or inequality. Use x to represent any unknown number.Three subtracted from a number is 0.
A. 3x = 0 B. 3 - x = 0 C. x + 3 = 0 D. x - 3 = 0
Mathematics
Solve each of the following systems of equations. If the system is inconsistent or dependent, say so.6x + 9y = -36-4x + 6y = 24
A. (-7, 1) B. No solution C. (-6, 1) D. (-6, 0)
Mathematics
Solve by using the square root property.(x + 4)2 - 6 = 0
A. -2 + 
, -2 - 
B. 2, 10
C. 4 + 
, 4 - 
D. -4 + 
, -4 - 
Mathematics
Find the distance between the pair of points.(3, -1) and (7, -3)
A. 12
units
B. 6 units
C. 12 units
D. 2
units
Mathematics