Evaluate the variable expression.
, when x = 72 and y = 18
A. 28
B. 22
C. 18
D. 124
Answer: A
Mathematics
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Solve the problem.Last season, a football team won 35 games and lost 72. Finding the winning percentage (ie the percentage of games which were won) .
A. 48.6% B. 67.3% C. 32.7% D. 35.0%
Mathematics
Solve the problem.If f(?) = tan ? and f(a) = 3, find the exact value of f(a) + f(a + ?) + f(a + 3?).
A. 9 + 4? B. 9 C. 3 D. undefined
Mathematics
Find an equation for the hyperbola described.Vertices at (±2, 0); foci at (±11, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Graph: f (x ) = 2 / x
Mathematics