Perform the addition. 
A. 695,716
B. 695,816
C. 519,453
D. 249,890
Answer: B
Mathematics
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract.16
+ 
A. 7
B. 7
C. 24
D. 23
Mathematics
Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
=3, 
= 3, ? = 141°
A. -7 B. -4.7 C. -7.7 D. -11.6
Mathematics
Begin by drawing a rough sketch to determine the number of real solutions for the equation y1 = y2. Then use an analytic method to confirm your answer. Give the solution set and any extraneous values that may occur.y1 = 
y2 = x + 4
A. 
No real solutions; ?; no extraneous values
B. 
One real solution; 
; 
is extraneous.
C. 
One real solution; {1}; no extraneous values
D. 
Two real solutions; 
; no extraneous values
Mathematics