Simplify the expression by combining like terms.6y2 + 11y2
A. 17y4
B. 17y2
C. 
y2
D. 17y
Answer: B
Mathematics
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Use any method to evaluate the integral.
dx
A. csc x + C B. -sec x + C C. sec x + C D. -csc x + C
Mathematics
a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.a = 15 m, b = 20 m
A. c = 24 m B. c = 18 m C. c = 13 m D. c = 25 m
Mathematics
Determine the coordinates of the focus and the equation of the directrix of the parabola.x2 = -4y
A. F(0, 1), y = -1 B. F(0, -1), y = 1 C. F(0, -1), y = -1 D. F(-2, 0), x = 1
Mathematics
Use the given right triangle to find the trigonometric function.tan A
A. 
B. 
C. 
D. 
Mathematics