Give the meaning of the underlined digit.47,24
A. 1 ? 100 = 100
B. 1 ? 1 = 1
C. 1 ? 1000 = 1000
D. 1 ? 10 = 10
Answer: B
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Use the substitution formula to evaluate the integral.
A. 
B. - 
C. 
D. - 
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.7(x + 2)
A. 7x + 9 B. 7x + 14 C. x + 14 D. 7x + 2
Solve using the multiplication principle.15.6 = 7.8y
A. 13.6
B. 
C. 2
D. 7.8
The cost of sending an overnight package from Los Angeles to Miami is $25.00 for a package weighing up to but not including 1 pound and $3.50 for each additional pound or portion of a pound. Use the greatest integer function to create a model for the cost C of overnight delivery of a package weighing x pounds, x> 0. ?
A. ?C = 25.00 - 3.50[[x]], x> 0 B. ?C = 25.00 + 3.50[[x]], x> 0 C. ?C = -25.00 + 3.50[[x]], x> 0 D. ?? = -25.00 - 3.50 [[x]], x> 0 E. ?C = 25.00[[x]] + 3.50, x> 0