Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 3; row matrix
B. 3 × 1; column matrix
C. 1 × 3; column matrix
D. 1; row matrix
Answer: B
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Solve the problem.Tom has a balance of $4261.15 on a credit card with an annual percentage rate (APR) of 13.7%. His credit card requires a minimum monthly payment of 2% of the balance. If he transfers his balance to a credit card with an APR of 9.2% how much more of his first payment would be applied to reduce the principal than if he had not transferred his balance?
A. $19.88 more will be applied to principal B. $32.67 more will be applied to principal C. $15.98 more will be applied to principal D. $52.55 more will be applied to principal
Solve the problem.A particle is moving so that its x- and y-coordinates are given by 
and 
(in ft). Find the magnitude and direction of its velocity when 
A. 12 ft/s, 290° B. 3.0 ft/s, 110° C. 12 ft/s, 110° D. 4.0 ft/s, 70°
Solve the equation.
A. 
, 
B. 
, 
C. 
, 
D. 
E. 
, 
Find the periodic payment R required to amortize a loan of P dollars over t years with interest earned at the rate of r%/year compounded m times a year. Round your answer to the nearest cent.
P = 60,000, r = 10.5, t = 29, m = 10 a. R = $538.48 b. R = $304.53 c. R = $662.01 d. R = $604.66