Find a rectangular equation for the curve with the given parametric equations.x = sec t, y = tan t; for t in [0, 2?]
A. y2 - x2 = 1
B. x2 - y2 = 1
C. y = x - 1
D. y = x + 1
Answer: B
Mathematics
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Solve the rational equation.
= 1 - 
A. {0} B. {1} C. {-6, 1} D. {18}
Mathematics
Write the fraction as a percent. Round to the nearest tenth of a percent if necessary.
A. 7.5% B. 40% C. 187.5% D. 75%
Mathematics
Divide the monomials.
A. -2x5
B. 
C. 
D. -2x13
Mathematics
Solve the problem.The width of a rectangle is x - 
feet and its area is 9x3 + 12x2 + 15x - 18 square feet. Write a polynomial that represents the length of the rectangle.
A. 9x2 + 18x - 27 ft B. 9x2 + 6x + 11 ft C. 9x2 + 18x + 27 ft D. 9x2 - 18x + 27 ft
Mathematics