Solve the problem.A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. 648 feet of fencing is used. Find the dimensions of the playground that maximize the total enclosed area.
A. 81 ft by 162 ft
B. 54 ft by 243 ft
C. 162 ft by 162 ft
D. 108 ft by 162 ft
Answer: D
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Provide an appropriate response.If an initial investment of $3000 grows to $18,000 in ten years, find the nominal rate of interest, compounded monthly, that was earned by the money.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The length of the diagonal of a box is given by D = 
where L, W, and H are the length, width, and height of the box. Find the length of the diagonal, D, of a box that is 
long, 
high, and 
wide. Give the exact value.
A. 8 ft
B. 16 ft
C. 2
ft
D. 4 ft
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. 2x + y + 2z - 4w = 10x + 3y + 2z - 11w = 173x + y + 7z - 21w = 0
A. {(w + 5, 8w + 4, -3w - 2, w)} B. {(3w + 5, 6w + 6, -4w - 3, w)} C. {(-3w + 5, 2w + 6, 4w - 3, w)} D. {(w - 5, 8w - 4, -3w + 2, w)}
Perform the division. Write the answer with positive exponents.
A. 13x10 B. -20x8 + 9x2 C. 4x4 + 9x2 D. 4x4 - 45x6