Determine if the matrix is in row-echelon form.
A. No
B. Yes
Answer: A
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Write the answer to the problem as an algebraic expression.Today the Center City baseball team scored 3 runs. The day before yesterday they scored w runs. How many runs did they score in these two days?
A. (3 + 2w) runs B. (3 - w) runs C. 3w runs D. (3 + w) runs
Solve the problem.An amusement park has a Ferris wheel with a height of 77 meters and a diameter of 72 meters. Using the drawing, write the equation of the wheel.
A. x2 + (y - 41)2 = 362 B. x2 + (y - 41)2 = 722 C. x2 + y2 = 362 D. x2 + (y + 41)2 = 362
Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 4.5 in.
A. 14.1 in.; 56.5 in.2 B. 14.1 in.; 254.3 in.2 C. 28.3 in.; 28.3 in.2 D. 28.3 in.; 63.6 in.2
Solve the problem.Find the simple interest earned on $3600 saved for 5 years at an interest rate of 
A. $1350.00 B. $1260.00 C. $13,500.00 D. $1485.00