Solve the radical equation.2
+ 4 = 18
A. {
}
B. {49}
C. {98}
D. {7}
Answer: B
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = cosh-1 2
A. 
B. 
C. 
D. 
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Solve the inequality graphically. Give the solution in interval notation.Use the intersection method to solve 13x - 4 ? 12x - 2.
A. (-?, 13) B. (13, ?) C. (-?, 2] D. [2, ?)
Mathematics
Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 9 miles per hour and the other at 11 miles per hour. In how many hours will they be 40 miles apart?
A. 2 hr B. 1 hr C. 4 hr D. 3 hr
Mathematics
Find the sum of the sequence.
A. - 
B. 
C. 10
D. 
Mathematics