Use a graphing calculator to solve the system of equations. Round your solution to one decimal place.
A. (-2.2, 1.1, -6.4, 23.3)
B. (2.2, 1.1, -6.4, -12.4)
C. (2.2, 1.1, 7.2, 12.4)
D. (2.2, -1.1, -6.4, 7.6)
Answer: B
Mathematics
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The graph shows a region of feasible solutions. Find the maximum or minimum values of the given expression.Find the maximum and minimum of 16x - 20y.
A. -120, 0 B. -80, -120 C. 80, -120 D. 80, 0
Mathematics
Solve. If necessary, round answers to the nearest hundredth.The following test scores were recorded for a student: 84, 53, 73, 53, 54. Find the mean, median, and mode.
A.
| mean: 66 | median: 73 | mode: 84 |
B.
| mean: 63.4 | median: 54 | mode: 84 |
C.
| mean: 79.3 | median: 63.5 | mode: 53 |
D.
| mean: 63.4 | median: 54 | mode: 53 |
Mathematics
Answer the question.Explain how (m + n)2 differs from m2 + n2 by expanding (m + n)2.
What will be an ideal response?
Mathematics
Solve the equation.
= p - 1
A. 
B. {-5}
C. {4}
D. {5}
Mathematics