State whether the distribution appears to be (roughly) normal.
A. Not normal
B. Normal
Answer: B
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Solve.A square shed covers an area of 789 sq ft. What is the length of each side of the shed? (Round to the nearest tenth.)
A. 197.3 feet B. 188.2 feet C. 28.1 feet D. 32.4 feet
Solve the problem.The perimeter of a rectangle is 
. One side is 
longer than the other side. Find the lengths of the sides.
A. 8 cm, 11 cm B. 16 cm, 27 cm C. 10 cm, 21 cm D. 8 cm, 19 cm
Factor using the ac-method.108x2 + 63xy + 9y2
A. prime B. 9(3x + y)(4x + y) C. (27x + 9y)(4x + y) D. 9(3x - y)(4x - y)
Provide an appropriate response.A professor wants to predict how well each of his students will do on the final exam. He looks at his students' grades from the previous semester, and compares the overall grades before the final exam with the grades on the final exam. He uses the data he collects to find a line of best-fit. If a student has a final exam redidual of -3 what does that tell you about the student's performance on the exam?
A. The student performed as expected. B. The student performed better than expected. C. The student performed worse than expected.