Find the vertices of the hyperbola.y2 - x2 = -36
A. (6, 0) and (-6, 0)
B. (36, 0) and (-36, 0)
C. (0, 36) and (0, -36)
D. (0, 6) and (0, -6)
Answer: A
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2 4 6 y 19.08 15.45 12.51 10.13?
A. 
B. ?
C. ?
D. ?
Divide and simplify.
÷ 
A. 5x2 + 5x
B. 
C. 
D. 5x2
Solve the problem.The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is W(t) = 
where v represents the wind speed (in meters per second) and t represents the air temperature 
. Compute the wind chill for an air temperature of 15°C and a wind speed of 12 meters per second. (Round the answer to one decimal place.)
Fill in the blank(s) with the appropriate word(s).
Simplify.?20?
A. -20 B. 40 C. 0 D. 20