Solve.
= 
+ 
A. - 
B. 
C. 
D. 0
Answer: C
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t = 
A. y = -
x - 
? + 2
B. y = -
x + 
? + 3
C. y = -
x + 
D. y = 
x - 
?
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Find the slope of the polar curve at the indicated point.r = 2 csc ?, ? = 
A. 0 B. -1 C. Undefined D. 1
Mathematics
Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. tan ? = 0.545
A. 8° B. 8.0° C. 29° D. 29.0°
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Solve the problem. Round to the nearest tenth if necessary.The price of a printer was reduced from $400 to $240. What was the percent of decrease?
A. 60% B. 40% C. 45% D. 66.7%
Mathematics