Use lattice multiplication to determine the product.73 × 80
A. 5840
B. 5850
C. 5940
D. 5830
Answer: A
Mathematics
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Write the series in summation notation. Use the index i and let i begin at 1 in each summation.18 + 30 + 42 + 54 + 66
A. 
B. 
C. 
D. 
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. - 
+ 5ln
+ 3ln
+ C
B. -8 ln 
+ 5ln
+ C
C. -3 ln 
+ 5ln
- 3ln
+ C
D. -8 ln 
+ 5ln
+ 3ln
+ C
Mathematics
Answer the question.Julia preheated her oven for 15 minutes. What fraction of an hour was this? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
Solve the problem.Suppose G is a graph with 39 vertices and 38 edges. Then
A. G is either a tree or it is not connected. B. G must be a tree. C. G cannot have any circuits. D. G cannot have more than one path joining any two vertices. E. none of these
Mathematics