Solve the problem.Use a tangent function to estimate the grade resistance of a 
car travelling on a 1.3° grade. Round your answer to the nearest pound.
A. 104 pounds
B. 4142 pounds
C. 8285 pounds
D. 52 pounds
Answer: D
Mathematics
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Identify the curve represented by the equation.7x(x + 8) = -5y(y - 7)
A. Parabola B. Ellipse C. Hyperbola D. None of these
Mathematics
Solve.Find the equation of a line normal to the curve of 
at 
A. -6
x + 3y - 6
- ? = 0
B. -3
x + 9y - 9 + 
? = 0
C. -3
x + 3y + 3
- ? = 0
D. 
x + 3y - 
- ? = 0
Mathematics
Use Euler's formula to answer the question.A pyramid has 4 faces. How many edges does it have?
A. 2 B. 4 C. 6 D. 3
Mathematics
Write the statement as an inequality.y is negative
A. y ? 0 B. y > 0 C. y < 0 D. y ? 0
Mathematics