Solve the equation.log4(2x + 5) - log4(x - 2) = 1
A. 3.125
B. 6.5
C. 2.408
D. No solution
Answer: B
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Evaluate the definite integral.
dx
A. 
B. 
C. - 
D. - 
Translate the problem situation to a system of equations. Do not solve.The sum of two numbers is 86. Five times the smaller number minus twice the larger number is 171. What are the numbers?
A. x + y = 86; 5x - 2y = 171 B. x + y = 86; 2x - 5y = 171 C. x - y = 86; 5x + 2y = 171 D. x + y = 86; 5x + 2y = 171
Solve the problem.Tracy can wallpaper 4 rooms in a new house in 16 hours. Together with her trainee they can wallpaper the 4 rooms in 11 hours. How long would it take the trainee working by herself to do the job?
A. 56 hr B. 80 hr C. 16 hr D. 40 hr
Write in if-then form.An even number is divisible by two.
A. If a number is divisible by two, then it is odd. B. If a number is even, then it is divisible by two. C. If a number isn't divisible by two, then it isn't even. D. If a number isn't even, then it is not divisible by two.