Solve the problem.A picture 12 inches by 23 inches is to be mounted on a piece of matboard so that there is an even amount of mat all around the picture. How wide will the border be if the area of the mounted picture is 620 square inches?
A. 6 in.
B. 5 in.
C. 6.5 in.
D. 4 in.
Answer: D
Mathematics
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Solve the differential equation subject to the given condition. Note that y(a) denotes the value of y at t = a. 
= 0.18y, y(11) = 3550
A. y = 3550 e0.18(t- 11) B. y = 0.18 e3550(t- 11) C. y = 35500.18(t- 11) D. y = 3550 e0.18(t+ 11)
Mathematics
Solve the problem.Find an upper bound for 
in estimating 
with n = 9 steps.Give your answer as a decimal rounded to four decimal places.
A. 0.1276 B. 0.0638 C. 0.2552 D. 0.4009
Mathematics
Perform the indicated operation.(5x - 12)2
A. 5x2 + 144 B. 5x2 - 120x + 144 C. 25x2 + 144 D. 25x2 - 120x + 144
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = (x - 2)2 - 2
A. (2, 2) B. (-2, 0) C. (0, -2) D. (2, -2)
Mathematics