Solve the problem.A set of chairs costs $217. The sales tax is $15.19. What is the sales tax rate and what is the total price paid?
A. 8%, $232.19
B. 9%, $232.19
C. 7%, $232.19
D. 0.7%, $232.19
Answer: C
Mathematics
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Find the cardinal number for the set.D = {x ? x ? N and 15 ? x ? 27}
A. n(D) = 42 B. n(D) = 11 C. n(D) = 13 D. n(D) = 43
Mathematics
Write the set by listing its elements.The set of whole numbers greater than 5 and less than 9.
A. {5, 6, 7, 8} B. {5, 6, 7, 8, 9} C. {6, 7, 8, 9} D. {6, 7, 8}
Mathematics
Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the tetrahedron bounded by the coordinate planes and the plane 
A. 231
B. 
C. 462
D. 308
Mathematics
Divide, if possible.
A. 0
B. 
C. 
D. Not defined
Mathematics