Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve. Write the answer as a mixed number in simplest form.Daniel is 70
in. tall and his brother Tyler is 67
in. tall. How much taller is Daniel?
A. 2
in.
B. 3
in.
C. 3
in.
D. 2
in.
Mathematics
Solve the problem.In a survey of 374 computer buyers, 159 put price as a main consideration, 218 put performance as a main consideration, and 57 listed both price and performance. How many computer buyers listed other considerations? How many looked only for performance?
A. 54; 161 B. 102; 161 C. 54; 218 D. 111; 218
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 3.87 B. 1.73 C. 53.67 D. 16.97
Mathematics
Solve the equation.
(8x - 12) = 
(9x - 6)
A. -6
B. -1
C. 1
D. 
Mathematics