Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.The Oak House had a markup of $22.83 on an oak table that they sold for $89.99. Find the cost and the percent of markup.
A. $89.99, 25.4%
B. $67.16, 25.4%
C. $67.16, 34.0%
D. $112.82, 20.2%
Answer: C
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Use the fundamental identities to simplify the expression.tan2? csc2?
A. sec2? B. sin ? C. cos3? D. tan2?
Solve the problem using your calculator.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). What is the correlation coefficient?
A. 0 B. -0.210 C. 0.256 D. 0.196
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.17x2 - 12xy + 8y2 - 68x + 24y -12 = 0
A. ? = 26.6°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4)
B. ? = 63.4°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the x'-axis
vertices at (±4, 0)
C. ? = 63.4°
x'2 = -16y'
parabola
vertex at (0, 0)
focus at (0, -4)
D. ? = 63.4°
+ 
= 1
ellipse
center at (
, - 
)
major axis is x'-axis
vertices at (4 + 
, - 
) and (-4 + 
, - 
)
Identify the reciprocal if possible.
A. 
B. 
C. 14
D. 