Determine the order of the matrix.
A. 1
B. 4 × 1
C. 1 × 4
D. 4
Answer: C
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Use a graphing calculator to display the solution of the given inequality or system of inequalities.y ? 9 - x2
A. 
B. 
C. 
D. 
Use properties of exponents to simplify the expression. First, express the answer in exponential form. Then, evaluate the expression.23 ? 22
A. 25; 12 B. 5 ? 2; 10 C. 25; 32 D. 26; 64
Solve the following problem in which a radical must be evaluated. The search for a missing person covers a circular region with an area of 204.1 square miles. What is the radius of this region? (Use A = ?r2, let ? ? 3.14). Find an approximation (rounded to the nearest hundredth when necessary), and find the exact value (simplified radical).
A. 7.21 mi; 2
mi
B. 13,266.5 mi; 13
mi
C. 13,266.5 mi; 26
mi
D. 8.06 mi; 
mi
Change the following decimal number to hexadecimal form.
A. 83D8 B. 8315 C. 832B D. 8381 E. 8317