Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi
B. 20 mi
C. 6.3 mi
D. 10 mi
Answer: C
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Solve the problem.An element decays at the rate of S(t) = se-0.086t, where t is time in years and s is the initial size in grams. If you have a 63-gram piece of this element, how many grams will you have 2 years from now? Round your answer to the nearest tenth of a gram.
A. 74.8 g B. 53.0 g C. 28.9 g D. 0.8 g
Find the standard quota asked for. Round your answer to two decimals.A university has 30 scholarships to be apportioned among the engineering students based on the enrollment in each department. There are three departments - Mechanical Engineering (M), Electrical Engineering (E), and Civil Engineering (C). The number of students in each department is given in the following table. 
Find the standard quota for the Mechanical Engineering Department.
A. 10.23 B. 9.83 C. 8.77 D. 9.41
Fill in the blank.
angle measures between 90° and 180°.
A. A right B. An obtuse C. A straight D. An acute
Write as a number.Six hundred eighty-six thousand, six hundred twenty-three.
A. 608,623 B. 686,623 C. 680,623 D. 600,086,623