Solve the system using Cramer's Rule. If D = 0, use another method to complete the solution.7x + 6y = 572x + 3y = 24
A. {(2, 7)}
B. {(3, 6)}
C. ?
D. {(3, 7)}
Answer: B
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Provide an appropriate response.Describe the difference between the graphs of the equation y = x2 and y = -x2.
What will be an ideal response?
Write an algebraic equation and use it to solve the problem.The three most prominent buildings in a city, Washington Center, Lincoln Galleria, and Jefferson Square Tower, have a total height of 1800 feet. Find the height of each building if Jefferson Square Tower is twice as tall as Lincoln Galleria and Washington Center is 320 feet taller than Lincoln Galleria.
A. Washington Center: 690 feet Lincoln Galleria: 370 feet Jefferson Square Tower: 740 feet B. Washington Center: 530 feet Lincoln Galleria: 210 feet Jefferson Square Tower: 1060 feet C. Washington Center: 600 feet Lincoln Galleria: 300 feet Jefferson Square Tower: 900 feet D. Washington Center: 420 feet Lincoln Galleria: 210 feet Jefferson Square Tower: 1170 feet
Provide an appropriate response.Suppose a rectangle has length 
and width 
. Which of the following is the best estimate of its area?
A. 30 B. 22 C. 56 D. 106
For the given direct statement, write the indicated related statement (converse, inverse, or contrapositive).q ? (~p ? r) (contrapositive)
A. (p ? ~r) ? ~q B. ~q ? (p ? ~r) C. (~p ? r) ? q D. q ? (p ? ~r)