Solve the problem.The temperature at the South pole was 21° at 8 am. At 3 pm, it was -34°. By how many degrees did the temperature drop?
A. by -13°
B. by -55°
C. by 13°
D. by 55°
Answer: D
Mathematics
You might also like to view...
Find the mode or modes for the set of numbers.82, 50, 32, 50, 29, 82
A. 54.17 B. 50 C. 82, 50 D. 82
Mathematics
Perform the addition. Express your answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the standard equation of the hyperbola.Vertices at (±3, 0), foci at (±11, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Match the equation to its graph.x2 = -6y
A. 
B. 
C. 
D. 
Mathematics