Identify the equation as either linear or nonlinear by trying to write it in the form 
5x2- 2.1x = x2 - 7
A. Linear
B. Nonlinear
Answer: B
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Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (0, ±25); Foci: (0, ±20) B. Vertices: (±25, 0); Foci: (±15, 0) C. Vertices: (0, ±25); Foci: (0, ±15) D. Vertices: (±25, 0); Foci: (±20, 0)
Four basketball teams called A, B, C, and D are entered in a tournament. According to the odds makers, the probability that team A will win the tournament is Pr(A) = 0.1, and the other three teams all have an equal probability of winning the tournament.What is the probability that team A will not win the tournament?
A. 0.3 B. 0.4 C. 0.9 D. cannot be determined from the information given E. none of these
Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest whole number.A cone with height 4 cm and diameter 9 cm
A. 75 cm3 B. 85 cm3 C. 339 cm3 D. 509 cm3
Provide an appropriate response. Find the equation of the line passing through the points (-9, 4) and (-2, 1).
A. y = - 
x - 
B. y = 
x + 
C. y = - 
x - 17 y 3x- 
D. y = - 
x + 