Find the foci of the hyperbola. : x² - 5y² - 10 = 0
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Mathematics
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Use identities to simplify the expression.
- tan x
A. - cot x
B. tan x
C. 
D. cot x
Mathematics
Find the average rate of change illustrated in the graph. 
Usage (in minutes)
A. $4.00 per minute B. $0.25 per minute C. $2.00 per minute D. $0.50 per minute
Mathematics
Determine whether the functions f and g are inverses of each other.f(x) = x3 + 2; g(x) = 
- 2
A. Yes B. No
Mathematics
Find the sum of the sequence.
A. 18 B. 20 C. 30 D. 14
Mathematics