Divide and simplify.
÷ 
A. 
B. 9
C. 3
D. -9
Answer: D
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 0.20
B. 
C. 
D. 
Mathematics
Write the improper fraction as a mixed number.
A. 13
B. 
C. 148
D. 148
Mathematics
Solve the problem.One maid can clean the house in 7 hr. Another maid can do the job in 8 hr. How long will it take them to do the job working together?
A. 3
hr
B. 
hr
C. 56 hr
D. 
hr
Mathematics
Solve the problem.Midtown Delivery Service delivers packages which cost 
per package to deliver. The fixed cost to run the delivery truck is 
per day. If the company charges 
per package, how many packages must be delivered daily to break even?
A. 14 packages B. 22 packages C. 12 packages D. 57 packages
Mathematics