Rotate the axes so that the new equation contains no xy-term. Graph the new equation.31x2 + 10
xy + 21y2 -144 = 0
A. 
B. 
Answer: A
Mathematics
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Find the length of the curve.y = (9 - x2/3) 3/2 from x = 1 to x = 27
A. 24
B. 
C. 36
D. 72
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Construct a stem and leaf display for given data.The numbers below represent the commute times (in minutes) for a group of college students.
A. 
B. 
C. 
D. 
Mathematics
Find the values of the variables.
= 
A. x = 3, y = 7
B. x = 4, y = -3
C. x = 5, y = 7
D. x = 
, y = 7
Mathematics
Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch. src="https://sciemce.com/media/4/ppg__tttt0622191212__f1q50g6.jpg" style="vertical-align: -17.0px;" /> in. length b is:
A. 0.4 in.
B. 0.3 in.
C. 0.1 in.
D. 0.2 in.
a 4
in. b 
in. c 
in. d 
in. e 2
Mathematics