Provide an appropriate response.In what quadrant of the xy-plane does P(-7, 4) lie?
A. II
B. I
C. IV
D. III
Answer: A
Mathematics
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Solve the problem.Evaluate 
at t = 
? for the function w = 
; x = sin t, y = cost, z = t2.
A. 
B. - 
C. - 
D. - 
Mathematics
Calculate the area of the surface S.S is the lower portion of the sphere x2 + y2 + z2 = 36 cut by the cone z = 
.
A. 72
?
B. 36
C. 36
?
D. 12
?
Mathematics
Decide whether or not the given equation is an identity.cos2 
= 1
A. Yes B. No
Mathematics
Write the sets as a roster. the set of odd natural numbers less than 21
A. {1, 3, 5, . . . , 21} B. {0, 1, 3, 5, . . . , 19} C. {2, 4, 6, . . . , 20} D. {1, 3, 5, . . . , 19}
Mathematics