Find the determinant of the matrix and determine if the matrix is invertible 
What will be an ideal response?
22.454, invertible
Mathematics
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Find the best buy and give the unit price.Brand X 12 oz for $2.88Brand Y 9 oz for $2.07
A. Brand X, $0.24 B. Equal value C. Brand Y, $0.24 D. Brand Y, $0.23
Mathematics
Multiply by first changing the decimal to a fraction. Multiply the fractions; then write the answer as a decimal.0.2 × 0.9
A. 1.8 B. 0.18 C. 0.0018 D. 0.018
Mathematics
Provide an appropriate response.Solve the following equation: 4 = 
x - 1
Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate the expression, if possible.-243-4/5
A. 
B. - 
C. 81
D. not a real number
Mathematics