Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 2; square matrix
B. 2 × 2; square matrix
C. 4; square matrix
D. 1 × 2; none of these
Answer: B
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The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Find the simple interest of the given loan amount. Round to the nearest cent.Loan amount of $900 at an annual percentage rate of 7% for 4 years
A. $252.00 B. $1575.00 C. $25.20 D. $32.14
Solve the problem.Matt bought a 48 oz can of fuel additive for $90.24. Roger bought the 40 oz size for $55.20. Who made the better buy? What was the lowest price per ounce?
A. Matt, $1.88 B. Matt, $1.38 C. Roger, $1.38 D. Roger, $1.88
Provide an appropriate response.
For vectors u and v, and scalar k = 2, draw a sketch to show that 
What will be an ideal response?