Solve the nonlinear inequality.25y2 - 4x2 > 100
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the substitution method to solve the system.4x - 6y = -102x + 2y = 30
A. (7, 8) B. (8, 8) C. (8, 7) D. No solution
Mathematics
Find an equation for the line tangent to the curve at the point defined by the given value of t.x = sin t, y = 5 sin t, t = 
A. y = 5x + 
B. y = 5x - 5
C. y = -5x + 5
D. y = 5x
Mathematics
Solve the problem.The table lists in thousands the number of people expected to be over 100 years old in a certain country.
Determine whether a linear, quadratic, cubic, or quartic polynomial best fits this data.
A. Linear B. Quadratic C. Cubic D. Quartic
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 
)(
- 
)
A. 3 - 2
B. 10
C. -4
D. 3 - 2
Mathematics