Eliminate the parameter to find a Cartesian equation for the ellipse.x = 2 + 6 cos t, y = 6 + 6 sin t
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Which of the following is not true about similar polygons??
A. ?If the sides are proportional and all but one of the corresponding angles are given and are equal, then the polygons can still be determined to be similar. B. ?If the sides are proportional and all but one of the corresponding angles are given and are equal, then the polygons are not necessarily similar. C. ?If the sides are proportional, but the corresponding angles are not congruent, then the polygons are not similar. D. ?If the sides are not proportional, then the polygons are not similar. E. ?a and b only.
Provide an appropriate response.
Steve has a propane tank that needs two coats of special rust prevention paint. He needs to cover the entire tank. How much surface area will each coat have to cover?
A. 55.0 ft2 B. 196.3 ft2 C. 176.7 ft2 D. 314.2 ft2
Graph using the slope and the y-intercept.-2x - 10y = -2
A. 
B. 
C. 
D. 
Describe the strength and direction of the linear correlation.
A. Strong negative linear correlation B. Little or no linear correlation C. Weak positive linear correlation D. Weak negative linear correlation