Perform the indicated operations. Reduce answers to lowest terms and write any improper fractions as whole or mixed numbers.
- 
A. 
B. 18
C. 
D. 
Answer: C
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Solve the system of equations
?
Round your answers to two decimal places.
?
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (10 + 2t2)i + (2t2 - 8)j + (5 - t2)k, -1 ? t ? 3
A. 24 B. 90 C. 72 D. 30
In a small town shopping mall last December, market researchers recorded the top five gifts that children requested while visiting "Santa." The bar graph below shows the number of children who requested each gift. Use the information given by the graph to determine the truth value of the statement.
More than 90 children requested computer games and more children requested dolls than sports equipment.
A. True B. False
Provide an appropriate response.Divide 35 dg by 5 dg.
A. 70 B. 7 C. 70 dg D. 7 dg E. none of the above