Decide whether or not the points are the vertices of a right triangle.(8, -7), (14, -5), (20, -12)
A. No
B. Yes
Answer: A
Mathematics
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Find the expected value.You are given 7 to 1 odds against rolling a sum of 6 with the roll of two fair dice, meaning you win $7 if you succeed and you lose $1 if you fail. Find the expected value (to you) of the game.
A. $0 B. $0.11 C. $0.27 D. $0.97
Mathematics
Identify the curve represented by the equation.4x2 + 6y2 - 2y = 9 - 3x
A. Circle B. Hyperbola C. Ellipse D. None of these
Mathematics
Graph the pair of parametric equations in the rectangular coordinate system.x = 
, y = 3t + 4; 0 ? t ? 4 
A. 
B. 
C. 
D. 
Mathematics
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 
, then y = 9.
A. k = 
; y = x + 
B. k = 
; y = 
x
C. k = 36; y = 36x
D. k = 
; y = 
x
Mathematics