Complete the magic (addition) square.Use each number 42, 43, 44, 45, 46, 47, 48, 49, and 50 once.
A. 
B. 
C. 
D. 
Answer: A
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Which of the following is not true?? ?
A. ?The circumference of a circle is approximately 6.3 times the length of the radius. B. ?The circumference of a circle is approximately 6.3 times the length of the diameter. C. The circumference divided by equals the diameter.? D. ?The circumference of a circle is approximately 3.14 times the length of the diameter. E. ?The radius is the distance from a point on the circle to the center of the circle.
Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.The sum of three numbers is 5. The sum of the first and second numbers is 3, and the first number is one more than three times the third number. How many of the numbers are even numbers?
A. 2 B. 1 C. None D. 3
The management of UNICO Department Store decides to enclose an 
area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external walls of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. If the pine board fencing costs $15/running foot and the steel fencing costs $5/running foot, determine
the dimensions of the enclosure that will cost the least to erect. Round your answers to two decimal places.
?
?
A. 14.31 ft by 84.68 ft
B. 12.13 ft by 86.86 ft
C. 14.14 ft by 84.85 ft
D. 15.68 ft by 83.31 ft
Write the equation in logarithmic form.63 = 216
A. log2166 = 3 B. log63 = 216 C. log3216 = 6 D. log6216 = 3