Use the vectors 
, 
and 
class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_92943c75c75945358c88673f5" /> to find the indicated quantity. State
whether the result is a vector or a scalar.
?
?
A. 16; scalar
B. 
; vector
C. 
; vector
D. 22; scalar
E. 20; scalar
Answer: E
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Graph the inequality on a number line.x > -3
A. 
B. 
C. 
D. 
Add the integers.13 + (-193)
A. 206 B. -206 C. 180 D. -180
Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.d = 6 in.
A. 18.8 in.; 28.3 in.2 B. 9.4 in.; 37.7 in.2 C. 9.4 in.; 113 in.2 D. 18.8 in.; 18.8 in.2
Find an equation for the circle.Center at (2, -3), radius of length 
A. (x + 2)2 + (y - 3)2 = 
B. (x - 2)2 + (y - 3)2 = 
C. (x - 2)2 + (y + 3)2 = 
D. (x + 2)2 - (y + 3)2 = 4