Solve the problem.What is the minimum force required to prevent a ball weighing 24.0 lb from rolling down a ramp which is inclined 27.2° with the horizontal?
A. 21.3 lb
B. 5.5 lb
C. 10.7 lb
D. 11 lb
Answer: D
Mathematics
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Convert as indicated.68.40 m to millimeters
A. 68,400 mm B. 6840 mm C. 0.684 mm D. 0.0684 mm
Mathematics
Simplify.(64 - 18) ? [(80 + 10 ÷ 5) - (6 ? 6 - 3 ? 3)]
A. 2494 B. 2530 C. 2587 D. 2630
Mathematics
Write the percent as a simplified fraction or mixed number.93.75%
A. 93
B. 
C. 
D. 93
Mathematics
Solve the problem.After a person takes a pill, the drug contained in the pill is assimilated into the bloodstream. The rate of assimilation minutes after taking the pill is 
Find the total amount of the drug that is assimilated into the bloodstream during the first 15 minutes after the pill is taken. Round your answer to 2 decimal places.
A. 0.23 B. 6.25 C. 6.14 D. 0.38
Mathematics