Solve the linear system of equations. If the system is inconsistent, indicate this.
(9,3)
Mathematics
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Solve the inequality and graph. Express your answer in interval notation.-29 ? -4x - 1 ? -13
A. (-7, -3)
B. [3, 7]
C. [-7, -3]
D. (3, 7)
Mathematics
Solve the problem.On a recent trip, Sarah's car traveled 20 mph faster on the first 120 miles than it did on the remaining 80 miles. The total time for the trip was 4 hr. Find the speed of Sarah's car on the first part of the trip.
A. 60 mph B. 10 mph C. 40 mph D. 35 mph
Mathematics
Solve the equation by factoring.2x2 - 34 = 0
A. {-17, 17}
B. {17}
C. {-
, 
}
D. {18}
Mathematics
Find the following. Assume that the letter can represent any real number.
A. (5x + 2)2
B. 
C. 
D. 
Mathematics