Solve the problem.Evaluate 
by expanding across the second row. Show all your work.A = 
What will be an ideal response?
Answers may vary. One possible solution follows.
= 0
+ 2
+ 1
= 0(15 + 4) + 2(-3 + 16) + 1(1 + 20)
= 0(19) + 2(13) + 1(21) = 47
Mathematics
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. - 
B. - 
C. 
D. - 
Mathematics
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(-2, 2)} B. {(1, 2)} C. {(-1, 1)} D. ?
Mathematics
Find the domain of the function.f(x) = log(x - 2)
A. (-2, ?) B. (1, ?) C. (2, ?) D. (0, ?)
Mathematics
Write the fraction as a decimal. If the decimal is a repeating decimal, write using the bar notation and then round to the nearest hundredth. 
A. 4.
? 4.16
B. 4.1
? 4.13
C. 4.1
? 4.17
D. 4.16
Mathematics