Evaluate the integral.
A. 8100
B. 5400
C. 2700
D. 4050
Answer: D
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, 1)}
B. infinitely many solutions; {
x + y = 6} or {
x = -y}
C. {(1, 5)}
D. no solution; ?
Mathematics
Determine the nature of the solutions of the equation.5 + 8z2 = 4z
A. Two real B. Two nonreal C. One real
Mathematics
Solve the inequality algebraically. Express the solution in interval notation.
> 
A. (-?, -43) ? (-1, 6) B. (-?, -43) ? (6, ?) C. (-43, -1) ? (6, ?) D. (-43, -1) ? (-1, 6)
Mathematics
Solve by any method: graphing, substitution, or elimination.
A. no solution B. (7, 6) C. (6, 7) D. infinitely many solutions
Mathematics