Solve the problem.There are 13 essay questions on a test. Students must select 3 questions to write essays on. In how many ways can the 3 questions be chosen?
A. 284
B. 286
C. 1716
D. 293
Answer: B
Mathematics
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Solve the given differential equation (where the function is subject to the given conditions) by using Laplace transforms.y' + 2y = 0, y
= 1
A. y = e-t B. y = e2t C. y = 2e-t D. y = e-2t
Mathematics
Identify the expression as a monomial, a binomial, a trinomial, or not a polynomial.
A. not a polynomial B. trinomial C. monomial D. binomial
Mathematics
Solve the quadratic equation by any method.x2 = 36
A. -6, 6
B. 0, 6
C. 6
D. -6 + i
Mathematics
Determine the viewing window used. 
A. 
B. 
C. 
D. 
Mathematics