For the given polar equation, write an equivalent rectangular equation.r = 5 sec ?
A. x2 = 5
B. x = 5
C. y = 5
D. x2 + y2 = 5
Answer: B
Mathematics
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Divide and simplify.
A. -15x11 - 8x4 B. -5x15 C. 3x8 + 40x7 D. 3x8 - 8x4
Mathematics
Write as an addition problem and find the sum.The temperature was 68 degrees in the morning, but it dropped 11 degrees in the afternoon and another 9 degrees in the evening. What was the temperature in the evening?
A. 68 + (-11) + (-9) = 48 degrees B. 68 + 11 + 9 = 66 degrees C. 68 + (-11) + (-9) = 66 degrees D. 68 + 11 + 9 = 48 degrees
Mathematics
Find an equation for the indicated ellipse.Center (0, 0), vertical major axis of length 12 and minor axis of length 6
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Evaluate the indefinite integral.
A. 
+ C
B. t2 + 3t + C
C. 
+ 3t + C
D. 1
Mathematics