Find the area of the figure using determinants.
A. 21.5
B. 20.5
C. 22.0
D. 21.0
Answer: C
Mathematics
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Write the vector v in the form v1i + v2j, given 
and the angle ? that v makes with the positive x-axis.
= 14, ? = 0°
A. 14i B. 14i + 14j C. 14j D. -14j
Mathematics
Arrange the three fractions from smallest to largest.
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
Mathematics
Simplify the expression.-42
A. 16 B. 8 C. -8 D. -16
Mathematics
Use the appropriate geometric formula from the following list to find the requested measure. 
The area of a square with side of length 9 miles
A. 36 sq mi B. 77 sq mi C. 84 sq mi D. 81 sq mi
Mathematics